Some people seem to return to themselves just before death. Strange final conversations and bursts of brain activity are ...

Billions of chestnut trees once dominated American forests, until a mysterious threat brought their reign to an abrupt end.

A machine imagined nearly 300 years ago bears an uncanny resemblance to AI, including a problem that remains familiar today.

Inside a silent Soviet space station, water had frozen and batteries were dead. The rescue would require an unprecedented ...

A Spanish cliff preserved ancient Neanderthal wood tools, including a mysterious object unlike anything previously found.

Cats, happiness and a common parasite collide in a 93-country study that revealed a pattern researchers did not expect to ...

Switzerland’s glaciers suffered another devastating year, with new measurements revealing the scale of the ice loss.

A giant fossil turtle found in Peru is revealing new details about the enormous reptiles that once inhabited the Amazon.

Crews clearing debris below Hagia Sophia revealed miles of forgotten tunnels, hidden chambers and an enigmatic passage with ...

Years after North Korea’s last nuclear test, Mt. Mantap is still shaking as scientists trace the activity to faults disturbed ...

A strange blue mud buried deep beneath the Pacific is alive with extreme microbes, revealing how life can persist where ...

Mars keeps rewriting its own story. Rocks in Jezero Crater reveal repeated episodes of water activity, from groundwater to ...