Science

America’s efforts to cut its climate change pollution stalled in 2024, with greenhouse gas emissions dropping just a fraction, 0.2 percent, compared to the year before, according to estimates published Thursday by...

America’s efforts to cut its climate change pollution stalled in 2024, with greenhouse gas emissions dropping just a fraction, 0.2 percent, compared to the year before, according to estimates published Thursday by...

Some 4.5 billion years ago, the dwarf planet Pluto was suddenly joined by a companion. For a very brief period — perhaps only hours — they danced as if arm in arm...

Mark Sutton, an Imperial College London paleontologist, is not a punk.“I’m more of a folk and country person,” he said.But when Dr. Sutton pieced together 3-D renderings of a tiny fossil mollusk,...

NASA needs help fetching rocks from Mars, and on Tuesday, agency officials announced that they have not yet quite decided how to do that. Instead, they are leaving a final decision to...

Pharmacists have begun prescribing abortion pills, not simply dispensing the medication — a development intended to broaden abortion access by taking advantage of rules that give them prescribing ability in most states.The...

Night fell as the two scientists got to work, unfurling long nets off the end of their boat. The jungle struck up its evening symphony: the sweet chittering of insects, the distant...

Reports of a surge in cases of a respiratory virus in China have evoked dark echoes of the start of the Covid-19 pandemic almost exactly five years ago.But despite the surface similarities,...

A Louisiana patient who had been hospitalized with severe bird flu has died, the first such fatality in the United States, state health officials reported on Monday.The patient was older than 65...

Roughly 2,000 years ago, the Roman Empire was flourishing. But something sinister was in the air. Literally.Widespread pollution in the form of airborne lead was taking a toll on health and intelligence,...