A 2010 satellite photo shows the point where a small lake bisects the snowy rim of an ancient glacier on Canada's Baffin Island. The rippling, snow-rimmed structure is the last remaining fragment of a colossal ice sheet that once covered large parts of North America.
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.
Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes — possibly to serve as mediators between humans and the cosmos.
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 the relationship between quantum mechanics and gravity.
The Artemis II crew have spoken publicly for the first time since their return to Earth.
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.
