Artificial Intelligence Does the AI industry operate like a modern colonial empire? In Empire of AI, journalist Karen Hao investigates OpenAI and the social and environmental costs of a multinational tech arms race. By Shi En Kim14 hours ago
Paleontology How fast did dinosaurs really go? Birds walking in mud provide new clues Tracks of dinosaur footprints can hint at how fast the extinct animals moved. Here’s how guinea fowl can help fact-check those assumptions. By Sofia Caetano Avritzer16 hours ago
Space The biggest black hole smashup ever detected challenges physics theories Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth. By Emily ConoverJuly 13, 2025
Space A newly discovered interstellar object might predate the solar system 3I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data. By Celina ZhaoJuly 11, 2025
Chemistry Gut microbes may flush ‘forever chemicals’ from the body Experiments in mice show that some gut bacteria can absorb toxic PFAS chemicals, allowing animals to expel them through feces. By Erin Garcia de JesúsJuly 11, 2025
Planetary Science New Horizons visited Pluto 10 years ago. We’re still learning from it Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space. By McKenzie PrillamanJuly 11, 2025
Animals Greenland sled dog DNA is a window into the Arctic’s archaeological past A genomic analysis of Greenland’s Qimmeq dogs suggest they and their human partners arrived on the island centuries earlier than previously thought. By Jake BuehlerJuly 10, 2025
Climate Trees can’t get up and walk away, but forests can In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow. By Sophie HartleyJuly 10, 2025
Earth An ancient Earth impact could help in the search for Martian life Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars. By Douglas FoxJuly 9, 2025
Animals As bird flu evolves, keeping it out of farm flocks is getting harder New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire. By Tina Hesman SaeyJuly 9, 2025
Oceans Deep-sea mining could start soon — before we understand its risks The U.S. push to mine international waters for metals defies global efforts to control and protect these fragile ecosystems. By Carolyn GramlingJuly 9, 2025
Health & Medicine These 5 nutrients might be lacking in your diet U.S. diets should include more of vitamins D and E, fiber, calcium and magnesium — all are essential nutrients that could offer health benefits. By Meghan RosenJuly 8, 2025 Pagination Navigation Go to page1 Go to page2 Go to page3 … Go to page9,355 Next (责任编辑:) |