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NYT > Science


Videos Show Narwhals Using Their Tusks to Play With Their Food Researchers observed a number of surprising behaviors by the ivory-sporting whales during an expedition with drones in the Canadian High Arctic. SpaceX Scrubs Launch of Crew-10 Astronauts for NASA to the I.S.S. An issue with a ground system that supports the Falcon 9 rocket led to a postponement of at least one day of the latest rotation of space station crews. SpaceX Launches NASAâ€™s SPHEREx and PUNCH Missions The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track the evolution of the solar wind in three dimensions. Saturn Gains 128 New Moons, Bringing Its Total to 274 The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar systemâ€™s history. Orange Alert: What Caused the Colors on This Snowy Owl? Bird watchers along Lake Huron photographed the bird, which has been nicknamed Rusty and Creamsicle. But there is no consensus about what caused its unusual tint. Why Are Cats Such a Medical Black Box? Many aspects of feline health remain a mystery, even to experts. Our cat-owning reporter learned this the hard way. Think You Understand Your Dog? Think Again. People interpret a dogâ€™s emotions based on its situation and have â€œa big blind spotâ€ for the actual animal, a new study found. NASA Eliminates Chief Scientist and Other Jobs at Its Headquarters About 19 positions will be cut, including those in offices focused on technology policy and diversity, equity and inclusion. Stand Up for Science Rally Sees Mix of Science, Politics and Anxiety Thousands of protesters gathered in Washington for Stand Up for Science, a rally in response to President Trumpâ€™s federal-funding and job cuts. EPA Cancels $20 Billion in Climate Grants Here is what we know about the billions in funds that have led to federal investigations, lawsuits and frozen bank accounts for climate nonprofit groups. Federal Agency Dedicated to Mental Illness and Addiction Faces Huge Cuts The Substance Abuse and Mental Health Services Administration has already closed offices and could see staff numbers reduced by 50 percent. RFK Jr. Rattles Food Companies With Vow to Rid Food of Artificial Dyes Mr. Kennedy told executives of major food companies that he wants synthetic colors removed from their products. â€œDecision time is imminent,â€ a trade group warned its members. Tuberculosis Resurgent as Trump Funding Cut Disrupts Treatment Globally The United States was the major funder of tuberculosis programs. Now hundreds of thousands of sick patients canâ€™t find tests or drugs, and risk spreading the disease. How to Watch NASAâ€™s SPHEREx and PUNCH Missions Launch on a SpaceX Rocket The postponement, driven primarily by thick clouds, was the second scrub of the flight since an issue with the rocket on Saturday night. Supreme Court Rejects an Effort to Block States From Suing Oil Giants The justices declined to hear unusual arguments from Republican-led states that sought to end lawsuits against energy companies over their role in global warming. Mutated DNA Restored to Normal in Gene Therapy Advance The small study in patients with a rare disorder that causes liver and lung damage showed the potential for precisely targeted infusions. Kennedy Links Measles Outbreak to Poor Diet and Health, Citing Fringe Theories In a recent interview, the health secretary also suggested that the measles vaccine had harmed children in West Texas, center of an outbreak. Eric Schmidt Joins Relativity Space as C.E.O. The former Google chief executive is taking a controlling interest in Relativity Space, which aims to build low-cost, reusable rockets to compete against Elon Muskâ€™s SpaceX and to reach Mars. U.S. Energy Secretary Pledges to Reverse Focus on Climate Change To applause from oil and gas executives, Chris Wright said natural gas was preferable to renewable energy and climate change was a â€œside effect of building the modern world.â€ Why Older People May Not Need to Watch Blood Sugar So Closely Intensive management of diabetes pays fewer dividends as patients age and raises the chances of hypoglycemia. But many people have not gotten the message. Lila Sciences Uses A.I. to Turbocharge Scientific Discovery An ambitious start-up embodies new optimism that artificial intelligence can turbocharge scientific discovery. Are Genetically Modified Pigs The Future of Organ Transplantation? How have the first patients fared after receiving organ transplants from genetically modified pigs? Roni Caryn Rabin, a health reporter on the Science desk of The New York Times, looks at the results so far. For Patients Needing Transplants, Hope Arrives on Tiny Hooves Some scientists are confident that organs from genetically modified pigs will one day be routinely transplanted into humans. But substantial ethical questions remain. SpaceX Scrubs Launch of NASA SPHEREx and PUNCH Missions The spacecraft, SPHEREx and PUNCH, had been expected to launch on a SpaceX rocket on Saturday. Joan Dye Gussow, Pioneer of Eating Locally, Is Dead at 96 An indefatigable gardener, she was one of the first nutritionists to emphasize the connections between farming practices and consumersâ€™ health. More NOAA Employees May Be Let Go, Making 20% of Staff Cut Together with recent firings and resignations, the new cuts could hamper the National Weather Serviceâ€™s ability to produce lifesaving forecasts, scientists say. Starship Explosions Show SpaceX No Longer Defying Gravity Consecutive losses of the Starship rocket suggest that the companyâ€™s engineers are not as infallible as its fans may think. Trumpâ€™s Foreign Aid Freeze Affects Iranâ€™s Nuclear Inspectors The presidentâ€™s halt of foreign aid upended two U.S. programs that help the International Atomic Energy Agency find clues about Iranâ€™s drive to build atomic bombs. C.D.C. Will Investigate Debunked Link Between Vaccines and Autism Dozens of studies have failed to find evidence of a link. The decision to re-examine the question comes as a measles outbreak, driven by low vaccination rates, widens in Texas. Trump Administration Sends Politically Charged Survey to Researchers Scientists on overseas projects must say whether they work with communist governments and help combat â€œChristian persecution.â€ Intuitive Machines Athena Moon Lander Dies After Toppling Over The Athena lander from Intuitive Machines could not charge its batteries after ending up on its side. It largely failed to accomplish science and technology tasks for NASA and other customers. How Foreign Aid Cuts Are Setting the Stage for Disease Outbreaks Organizations funded by the United States helped keep dangerous pathogens in check around the world. Now many safeguards are gone, and Americans may pay the price. As Measles Continues to Spread in Texas, Cases Jump in New Mexico The outbreak has sickened nearly 200 people in Gaines County, Texas. A neighboring county in New Mexico has seen 21 new cases since Tuesday. Fossil Fuels Are the Future, Chris Wright Tells African Leaders Chris Wrightâ€™s remarks were welcomed at a time when countries across the region have felt whipsawed by cuts to longstanding African energy initiatives. Humans Have Been Perfecting Avocados for 7,500 Years Ancient peoples of Latin America saved the fleshy fruits from extinction and gradually made them tastier. Climate Change Made South Sudan Heat Wave More Likely, Study Finds Years of war and food insecurity in the region made the extreme heat especially dangerous. Republican Voters Support Medicaid but Want Work Requirements, Poll Finds More than 60 percent of all voters â€” and 47 percent of Democrats â€” supported a work requirement for Medicaid, the countryâ€™s largest health insurance program. As Ebola Spreads in Uganda, Trump Aid Freeze Hinders Effort to Contain It, U.S. Officials Fear Two more people are reported dead from the disease, and dozens are in isolation, as the outbreak grows. Unvaccinated New Mexico Resident Dies of Suspected Measles The patient tested positive for the infection, but state health officials could not confirm that it was the cause of death. Defunded Aid Programs Are Asked by Trump Administration to Prove Their Value, on a Scale of 1 to 5 A week after terminating thousands of contracts, the administration has sent questionnaires to those programs asking how their work benefits the U.S. national interest. SpaceXâ€™s Starship Rocket Disrupts Florida Airports With Unsuccessful Test Flight 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. Senators Press Marty Makary on Abortion Pills and Vaccines At a hearing, Dr. Marty Makary, the nominee for F.D.A. commissioner, fielded questions focused on whether he would review or reopen certain policy areas. Why NASA Is Trying to Go Back to the Moon 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. Trumpâ€™s E.P.A. to Rewrite Rules Aimed at Averting Chemical Disasters The Biden-era rules require thousands of hazardous-chemical sites to adopt new safeguards against storms, spills and other risks. Hit by â€˜Gut Punches,â€™ Scientists Band Together to Protest Trump Stand Up for Science aims to revive a movement that started in 2017, but with an all-new team and a more focused vision. Intuitive Machinesâ€™ Athena Lander Is on the Moon, but Its Fate Is Unclear After hours of uncertainty, officials from the Houston company said there are clues that the spacecraft is on its side, which could limit the missionâ€™s scientific accomplishments. FDA Nominee Marty Makary to Face Grilling Over Cutbacks and Policy Shifts Dr. Marty Makary will testify before the Senate health committee on Thursday. Lawmakers may press him over staff reductions and changes in agency direction on issues like vaccines.

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