Scientists who study comets are struggling to keep up with popular speculation that the interstellar object 3I/ATLAS was sent to our solar system by an alien intelligence.
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“The laws of inheritance are quite unknown,” Charles Darwin acknowledged in 1859. The discovery of DNA’s shape altered how we conceived of life itself.
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His decoding of the blueprint for life with Francis H.C. Crick made him one of the most important scientists of the 20th century. He wrote a celebrated memoir and later ignited an uproar with racist views.
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Lab-grown “reductionist replicas” of the human brain are helping scientists understand fetal development and cognitive disorders, including autism. But ethical questions loom.
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A pitch-black cave in the Balkans is home to what researchers say is a singular work of cooperation by two usually-hostile species of spider.
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“This is a type of science that has an impact that most people could see in their homes,” said Erin Hecht, a canine researcher at Harvard. “Now there’s just no money.”
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Reptiles on a Mexican island were considered an invasive species, but DNA evidence proves they beat humans to the island by hundreds of thousands of years.
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He developed extracorporeal membrane oxygenation, or ECMO, a treatment that can sustain patients whose hearts and lungs are failing — for days or weeks or longer.
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Rooftop solar is spreading fast in Jamaica, and people with panels got their power back almost immediately. The ‘entire neighborhood benefits,’ one resident said.
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The calls for action on opening day stood in sharp contrast to the position of the President Trump, who has called global warming a “con job.”
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With this year’s global climate summit opening in Brazil, we offer a glimpse of how the Trump administration sometimes operates behind closed doors.
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The climate-friendly fleet assembled to shuttle delegations to the gathering in Brazil sent a clear signal: China is making inroads in Latin America.
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Extraterrestrial particles found at the bottom of the Arctic Ocean could unlock at least 30,000 years of sea ice history, a new study finds.
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President Trump announced a deal with Eli Lilly and Novo Nordisk to lower prices on hugely popular weight-loss drugs for Medicare, Medicaid and American patients who pay with their own money.
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By Rebecca Robbins, Margot Sanger-Katz and Dani Blum
A new industry group wants to set aside the piecemeal state-by-state approach imposing food dye and labeling laws in favor of federal control. The opposition has roiled the MAHA coalition.
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Diplomats and leaders from around the world are gathering on the edge of the Amazon rainforest for annual talks on how to limit global warming.
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Doctors have already begun reducing radiation treatment for women at low risk of recurrence or spread of the disease. A new study finds that some women at greater risk can safely avoid radiation.
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The multibillion-dollar fund would essentially pay countries to keep forests standing, hoping for success where earlier forest-protection ideas have struggled.
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The nomination of the billionaire entrepreneur, private astronaut and Elon Musk ally was before the floor of the Senate when the president abruptly withdrew it in June.
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The rise of artificial intelligence has produced serial writers to science and medical journals, most likely using chatbots to boost the number of citations they’ve published.
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President Trump wants pharmaceutical production to return to the United States. A shuttered factory in Louisiana shows how hard that will be for generic medicines.
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In 1865, two dozen Union soldiers, all formerly enslaved, were ambushed and killed along a road in Kentucky. Archaeologists are still searching for their remains.
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The consumer products giant reached a $40 billion deal to buy Kenvue, the maker of Tylenol, despite a barrage of unproven claims from President Trump and others that use of the pain reliever during pregnancy can cause autism.
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New work requirements are expected to leave millions of poor Americans uninsured. For Equifax, which charges states steep prices for its trove of employment data, it is a business opportunity.
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By Sarah Kliff, Margot Sanger-Katz and Asmaa Elkeurti
The official, Dr. George Tidmarsh, has become embroiled in an ethical dispute and is now the target of a lawsuit over his actions involving certain drugs tied to a business associate.
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