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NYT > Science


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. 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. 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. 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. 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. 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. Trove of Ancient Axes Shows Early Humans Made Tools From Bones Deep in a trench in Tanzania, researchers found dozens of tools crafted from animal bones some 1.5 million years old. What a Crab Sees Before It Gets Eaten by a Cuttlefish Cuttlefish use visual tricks to avoid being eaten. New research shows how they deploy similar camouflage to bamboozle their prey. How to Watch NASAâ€™s SPHEREx and PUNCH Missions Launch on a SpaceX Rocket Two missions, SPHEREx and PUNCH, are expected to launch on a SpaceX rocket late on Monday after a postponed flight on Saturday. 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. 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€ 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. 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. Weight Loss Drug Will Be Offered for $499 a Month for Some Patients Some commercially insured patients stand to save $150 per month on Wegovy, a popular obesity medication. Patients on Medicare and Medicaid are not eligible. Aging Womenâ€™s Brain Mysteries Are Tested in Trio of Studies Researchers identified a gene that seems to help slow brain aging in women, and studied links between hormone therapy, menopause and Alzheimerâ€™s. Women With Postpartum Depression Experienced Brain Changes During Pregnancy, Study Finds The research constitutes some of the first evidence that the condition is associated with modifications in the brain before childbirth. Florida Seeks Drug Prescription Data With Names of Patients and Doctors The stateâ€™s insurance regulator has demanded detailed information about patients and their medications, raising privacy concerns. 150 Years of Change: How Old Photos, Recaptured, Reveal a Shifting Climate In the heart of Utahâ€™s Uinta Mountains, a team of scientists is re-creating historical pictures to study how much, and how quickly, ecosystems are changing. U.S. Embassies Halt Air Quality Monitoring Abroad Since 2008, embassies and other diplomatic posts had been publishing data about local air quality. In many countries, it was the only reliable source of such information. Some Green Groups Are Running Out of Cash After Trump Freezes $20 Billion The Justice Department and F.B.I. are investigating $20 billion in climate funds, despite a top prosecutorâ€™s decision that there was not sufficient evidence of wrongdoing. As Measles Spreads, Kennedy Embraces Remedies Like Cod Liver Oil In an interview, the H.H.S. secretary claimed that unconventional treatments were helping patients but described vaccination as a personal choice. Wild Coast Raw Food for Cats Is Recalled Over Bird Flu Risk At least two cats kept as pets had tested positive for bird flu in two counties in Washington State after their owners reported feeding them the product, officials said. Worldâ€™s Largest Iceberg Runs Aground A massive superberg, four times as big as New York City, has halted east of the southern tip of South America. He Fought Claims of Harm From Infant Formula. Now He Regulates It. Kyle Diamantas, a former corporate lawyer, is the new director for the F.D.A. food division, which oversees infant formula. He defended a top maker in cases claiming the company had not warned of potential risks to very low-weight babies.

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