While the Starship’s booster successfully returned to the launchpad, the upper-stage spacecraft failed in space and lost several engines and attitude control, tumbling in space.
Video showed the upper stage of the most powerful rocket ever built spinning out of control in space, a repeat of an unsuccessful test flight in January that led to debris falling over the Caribbean.
President Trump set the U.S. on a path to sending astronauts back to the lunar surface during his first term. Lately he has expressed more interest in Mars.
Stand Up for Science aims to revive a movement that started in 2017, but with an all-new team and a more focused vision.
After hours of uncertainty, officials from the Houston company said there are clues that the spacecraft is on its side, which could limit the mission’s scientific accomplishments.
Los investigadores descubrieron que los compuestos de las hojas de té negro y verde actuaban como “velcro” en las moléculas de plomo.
Deep in a trench in Tanzania, researchers found dozens of tools crafted from animal bones some 1.5 million years old.
In the heart of Utah’s Uinta Mountains, a team of scientists is re-creating historical pictures to study how much, and how quickly, ecosystems are changing.
The company has made changes to the vehicle, part of which blew up over the Caribbean in January during the seventh test flight. An issue during the countdown halted Monday’s launch.
Cuttlefish use visual tricks to avoid being eaten. New research shows how they deploy similar camouflage to bamboozle their prey.
Heat from the eruption in A.D. 79 was so intense that it vitrified the brain tissue of one unfortunate Herculaneum resident, a new study confirms.
President Trump’s effort to remake the government is a direct challenge to a decades-long effort to build a civil service stocked with experts. Critics say it will backfire.
Two thousand years on, scholars still don’t agree on the day the destruction of Pompeii began. Two new studies only fan the fire.
Firefly Aerospace’s robotic vehicle became the second privately built spacecraft to make a soft landing on the moon. It could soon be joined by two more private lunar landers.
Underground fungal networks are “living algorithms” that quietly help regulate Earth’s climate. Now scientists know what makes them so efficient.
Scientists tested a device that helped volunteers taste flavors meant to represent distant samples of coffee, lemonade, fried eggs, cake and fish soup.
Researchers found that compounds in black and green tea leaves acted like “little Velcro” hooks on lead molecules.
Tucked away near the White House is a tribute to the environmental agency and its history — for the time being, anyway.
The employee objected to a post on X by Mr. Musk, Tesla’s chief executive and a top adviser to President Trump, that referred to Nazi leaders.
They will be aboard the New Shepard, the centerpiece rocket of Blue Origin’s space tourism business, in a launch this spring.
Lunar Trailblazer, an orbiter that shared a launch on Wednesday with the commercial Athena lander, will help scientists understand where the moon’s water is, and what form it takes.
Onboard a SpaceX Falcon 9 rocket is Athena, Intuitive Machine’s second moon lander, with instruments designed to dig up lunar soil and search for compounds like frozen water.
The company reached the lunar surface in 2024, and now its second lander aims to improve on the feat. Three other spacecraft also hitched a ride on the SpaceX rocket.
The discovery clashes with the traditional image of humans evolving on the savannas of East Africa.
The terminations, which hit agencies involved in protecting the nation’s food supply and agricultural products, could have long-lasting consequences, experts said.
La agencia espacial estadounidense comunicó el “fin de la alarma”, y dijo que la probabilidad de que la roca espacial chocara con el planeta había disminuido hasta el 0,004 por ciento.
Al unirse Mercurio al espectáculo nocturno, los siete vecinos de la Tierra estarán presentes en el cielo esta semana.
The odds that the space rock, 2024 YR4, will smash into our planet in 2032 have dropped to nearly zero, leading astronomers to conclude that we are no longer in danger.
The agency changed course just days after firing employees who oversee the safety of food and life-sustaining medical devices. Dozens of workers said they and others were back at work Monday.
With Mercury joining the show, all seven of Earth’s celestial neighbors will be present at dusk this week.
On Rum, Europe’s newest dark-sky sanctuary, the island’s 40 residents have learned to embrace darkness.
The dream of mining metals in deep space crashed and burned in the 2010s. AstroForge’s Odin mission to survey a potentially metallic asteroid is packed and ready to lift off.
Tras años en la industria farmacéutica, un químico cambió de rumbo para ayudar a salvar a los monstruos de Gila, la especie que hizo posible el popular fármaco para adelgazar.
Confusion has ensued about the future of programs and research supporting people with disabilities as a result of President Trump’s executive order.
Using an arcane law, officials have effectively delayed funding from the National Institutes of Health, leaving medical studies in jeopardy.
Researchers have found dozens of human bones on the banks of the iconic river, many of them thousands of years old.
Musk, uno de los principales asesores del presidente Trump, no ha esbozado un plan para revertir la caída de ventas de la empresa de automóviles eléctricos de la que es director ejecutivo.
Microsoft’s new “topological qubit” is not based on a solid, liquid or gas. It is another phase of matter that many experts did not think was possible.
The Human Virome Program will analyze samples from thousands of volunteers in an effort to understand how viruses affect health.
Se espera que el objeto, que mide entre 40 y 91 metros de largo, pase muy cerca del planeta en el año 2032. En la actualidad, sus probabilidades de impactar contra la Tierra son del 3,1 por ciento.
A Columbia microbiologist, he popularized “vertical farming” — raising crops in tall buildings — to remediate climate change and feed more people.
The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger remains low, but experts are estimating the damage that could be done.
A new study suggests that the NOVA1 gene may have been a key player in the evolution of human language.
In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world of airborne microbes.
After years in Big Pharma, a chemist pivoted to help save the species that made Ozempic possible.
In Huntsville, a city fueled by defense and aerospace, there is anxiety but also cautious optimism that federal investment may still come its way.
Si tienes estos síntomas digestivos comunes, beber menos puede ayudar.
By watching the brain process information, she discovered that a specific region plays a key role in spatial navigation — and that it can be strengthened like a muscle.
This month, Vishvaa Rajakumar won the Memory League World Championship, which tests memorization skills. He shared some of his techniques with The Times.
In a remote mountain cave in Ecuador, hummingbirds were discovered sleeping and nesting together.
Scientists identified new structures in the tail vanes of the prehistoric flying reptiles.
Alessio Figalli studies optimal transport, a field of math that ranges from the movements of clouds to the workings of chatbots.
Researchers found crocodilians, bats, raccoons and other creatures prowling a Florida town’s storm drains, “like something out of ‘Teenage Mutant Ninja Turtles,’” one said.
The vets had no symptoms, and one worked only in states where no dairy infections had been reported.
As of Tuesday, 22 children and two adults had been infected, all of whom were unvaccinated, local officials said.
A scary-looking creature with “devil” in its name was spotted close to the surface off Tenerife, a Spanish island.
It’s the most energetic particle of its kind ever discovered, and scientists have no idea where it came from.
In “Cerebral Entanglements,” Allan J. Hamilton argues that new imaging technologies give us unprecedented access — with revolutionary implications.
The always colorful males light up with biofluorescence, sending off signals.
Beginning in 1969, she spent five months a year on Great Gull Island, leading teams of young volunteers devoted to preserving the seabirds.
The internet erupted in controversy over Felisa Wolfe-Simon and colleagues’ claim of a microbe thriving on arsenic. Nearly 15 years later, she’s pursuing new research on the boundaries of life.
The new research adds to the mysteries of the planet’s deepest interior region.
President Trump’s executive order is altering scientific exploration across a broad swath of fields, even beyond government agencies, researchers say.
Here’s what scientists have learned about how a dog’s breed affects its health and behavior.
NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.
Timothy Jay, a scholar in the science of swearing, has a few choice words about why we curse and how to cut back (if you want to).
If you have gut problems, alcohol might be contributing to them. Alice Callahan, a reporter covering nutrition and health for The New York Times, describes several common effects.
A BBC documentary crew in Northern Ireland stumbled upon a fungus that hijacks spiders in an arachnid version of “The Last of Us.”
The animals’ complex songs share structural patterns with human language that may make them easier for whales to learn, a new study suggests.
Scientists published a full genetic sequence of the genes that make some white campions male, and hope their work could unlock how the flower got that way.
Their new method takes 32 minutes.
The mix of features offers new clues to how plesiosaurs navigated prehistoric oceans.
If you have these common digestive symptoms, drinking less may help.
A new study claims to have identified the first speakers of Indo-European language, which gave rise to English, Sanskrit and hundreds of others.
A group of scientists studying the San Fermín festival in Pamplona, Spain, believe there’s a way to predict the motions of a large crowd.
Some paleontologists think that fossils recovered from Antarctica are evidence of birds similar to modern geese and ducks that lived alongside the dinosaurs.
After the space agency canceled its VIPER rover, an empty space was available on a private spacecraft that will still head to the lunar surface.
With little post-pandemic recovery, experts wonder if screen time and school absence are among the causes.
On the test, American fourth and eighth graders posted results similar to scores from 1995. It was a sign of notable stagnation, even as other countries saw improvements.
Robert F. Kennedy Jr. and other candidates for top health posts are at odds with the drug industry, setting the stage for tense battles over regulatory changes.
Covid learning loss and chronic absenteeism aren’t going to fix themselves
Dr. Fauci testified before a House panel investigating Covid’s origins. The panel found emails suggesting that his aides were skirting public records laws.
A scientist finds beauty in the “visual synonyms” that exist in images seen through microscopes and telescopes.
A long-awaited new policy broadens the type of regulated viruses, bacteria, fungi and toxins, including those that could threaten crops and livestock.
A heated hearing produced no new evidence that Peter Daszak or his nonprofit, EcoHealth Alliance, were implicated in the Covid outbreak.
Prosecutors said Keith Berman falsely claimed he had invented a blood test that could detect Covid-19 in 15 seconds. His lawyer said he had put “genuine effort” into developing such a test.
Los científicos que estudian la evolución continua del virus y las respuestas inmunitarias del organismo esperan evitar un rebrote y comprender mejor la covid prolongada.
Scientists studying the virus’s continuing evolution, and the body’s immune responses, hope to head off a resurgence and to better understand long Covid.
A new study of camera-trap images complicates the idea that all wildlife thrived during the Covid lockdowns.
In the Panamanian rainforest, scientists found the first known plant species to transform decaying tissue into a new source of nutrients.
Newly released documents indicate that a U.S. genetic database had received the sequence of the coronavirus two weeks before it was made public by others.
The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel.
Scientists doing “gain-of-function” research said that heightened fears of lab leaks are stalling studies that could thwart the next pandemic virus.
High-security labs, like this one at Penn State, are at the center of a debate over research that alters viruses to make them more dangerous.
Schools run by the Defense Department educate 66,000 children of civilian employees and service members.
Let’s bring back an era of accountability.
Despite billions in federal aid, students are not making up ground in reading and math: “We are actually seeing evidence of backsliding.”
The results are the federal government’s last major data release on the academic effects of the coronavirus pandemic.
Strict pandemic lockdowns may have allowed animals to range more widely and spend time closer to roads, a new study suggests.
Pandemic aid was supposed to help students recover from learning loss, but results have been mixed.
Tokophobia, as it’s called, is not often studied in the United States. But a new survey finds that it may be very common, particularly among Black women and in disadvantaged communities.
Lab safety doesn’t need to torpedo scientific progress.
The latest test results continue a nearly decade-long decline. Try a sample quiz to test your knowledge.
After analyzing genetic data swabbed from a Wuhan market in early 2020, a virologist said it was unclear if animals for sale there had been infected.
Leaders on the continent have vowed that if there is another pandemic, they won’t be shut out of the vaccine market.
Scientists from the Chinese C.D.C. confirmed that DNA from raccoon dogs and other animals susceptible to the coronavirus was found at the market in early 2020.
In a much-anticipated study, experts described a swab that was positive for the coronavirus and contained loads of genetic material from raccoon dogs.
Genetic samples from the market were recently uploaded to an international database and then removed after scientists asked China about them.
Some medications, like Ritalin and Vicodin, would require an in-person doctor’s visit under the new rules, a reaction to the pandemic-era rise of telemedicine.
Moderna has paid $400 million to the government for a chemical technique key to its vaccine. But the parties are still locked in a high-stakes dispute over a different patent.
Kizzmekia Corbett helped lead a team of scientists contributing to one of the most stunning achievements in the history of immunizations: a highly effective, easily manufactured vaccine against Covid-19.
Readers discuss experimentation on lab animals. Also: Racism in America; preparing for the next pandemic; maternal deaths; Amazon’s donations.
The White House will decide whether to adopt the panel’s recommendations on so-called gain of function experiments.
An internal federal watchdog said that the health agency had not given adequate oversight to EcoHealth Alliance, which had been awarded $8 million in grants.
A young version of the coronavirus makes up one-quarter of Covid cases across the United States and over 70 percent of new cases in the Northeast.
Plus China’s vaccination pivot and the year’s most stylish “people.”
Plus, China’s sluggish economy and the arrest of the Lockerbie bombing suspect.
Al cumplirse el aniversario del descubrimiento de la variante, los expertos en virología siguen intentando ponerse al día con la rápida transformación de ómicron.
One year after the variant’s discovery, virologists are still scrambling to keep up with Omicron’s rapid evolution.
Students missed a lot of high school instruction. Now many are behind, especially in math, and getting that degree could be harder.
In a vacuum, test score declines look like bad news. But none of this happened in a vacuum.
The report, signed by Senator Richard Burr, foreshadows a new wave of political wrangling over Covid’s origins if Republicans gain control of the House or Senate.
The results, from what is known as the nation’s report card, offer the most definitive picture yet of the pandemic’s devastating impact on students.
Mouse experiments at Boston University have spotlighted an ambiguous U.S. policy for research on potentially dangerous pathogens.
Benjamin Franklin Elementary in Connecticut overhauled the way it taught — and the way it ran the classroom. Every minute counted.
Readers respond to the latest Russian attacks in Ukraine. Also: The wonders of math; pandemic spending; Republicans and crime.
Maitland Jones, un profesor respetado, defendió sus estándares. Pero los estudiantes hicieron un reclamo y la universidad lo despidió.
Maitland Jones Jr., a respected professor, defended his standards. But students started a petition, and the university dismissed him.
The first standardized test results that capture how most city schoolchildren did during the pandemic offered a mixed picture.
La decimotercera variante con nombre del coronavirus parece tener una capacidad sorprendente para evolucionar con nuevas particularidades.
Omicron, the 13th named variant of the coronavirus, seems to have a remarkable capacity to evolve new tricks.
Many employees reduce their hours or stop working to help ailing family members. But it may be years before they fully return to the work force, studies indicate.
The results of a national test showed just how devastating the last two years have been for 9-year-old schoolchildren, especially the most vulnerable.
Urgently needed: teachers in struggling districts, certified in math or special education. Perks: maybe a pay raise, or how about a four-day week?
Here’s how a scrappy team of scientists, public health experts and plumbers is embracing wastewater surveillance as the future of disease tracking.
El coronavirus, como muchos otros virus, evoluciona deprisa. ¿Los seres humanos y su ingenio podrían adaptarse más rápido a él?
Human ingenuity must keep up with the coronavirus.
