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Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes — possibly to serve as mediators between humans
For the first time, scientists have observed quantum entanglement in the momentum of massive particles. The result, decades in the making, could help physicists probe
Claims that fluoride in drinking water causes cognitive delays in kids are driving U.S. policy. A new study finds no evidence to back them.
An analysis of DNA from Stone Age skeletons buried in Scotland reveals how people organized the burial of their dead.
A man known as the “Oslo patient” joins a short list of people in long-term remission from HIV following bone marrow transplants.
Trace amounts of antiseptic chemicals in hospital rooms may be driving tolerance and resistance in bacteria, a study finds.
NASA astronauts Reid Wiseman, commander; left, Christina Koch, mission specialist; CSA (Canadian Space Agency) astronaut Jeremy Hansen, mission specialist; and NASA astronaut Victor Glover, Artemis
The tipping point came in the summer of 2025. That July, several artificial intelligence models solved five out of six problems at the International Mathematical
Advances in decoding animal sounds might someday make animal translators a possibility.
Seasonal shifts in behavior — not temperature — may subtly influence sperm motility. Whether this variation in sperm quality influences fertility remains to be seen.
A nasal spray in mice boosted lung immunity against viruses, bacteria and allergens — but a truly universal vaccine is still years away.
The cross-shaped figurine has become a potent symbol of Cyprus’ contribution to prehistory.
A long-term study of the world’s largest known community of chimpanzees has documented a rare event: what the researchers describe as the primate equivalent of
Climate change could be forcing gray whales to seek food in San Francisco Bay, where vessel strikes may be driving rising deaths.
