Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

The Amazon is facing a hotter, drier future, with rising drought stress threatening forests that help regulate Earth’s ...

Two iron ankle shackles, buried for about 2,200 years in the Egyptian desert, have revealed new evidence of forced labor.

An analysis reveals that India would gain billions by phasing out coal, reducing pollution, and accelerating its energy ...

Scientists manage to dissolves silver without using cyanide or other harsh chemicals, enabling safe recycling that promotes ...

A metal detectorist finds a small 2,200-year-old Celtic gold coin in Saxony that rewrites pre-Roman trade routes in Europe.

D heat maps show how deep temperature patterns under Greenland help explain uneven ice loss and land motion, improving future ...

A small brain region reacts strongly to chimp calls. This shows that our voice system links to older primate signals.

A new study shows that indoor tanning beds cause deep genetic damage, raises melanoma risk, and ages the skin faster than ...

Cycads use infrared heat to guide beetle pollinators, revealing an ancient plant communication system that predates flowers.

Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

One standout piece is a ceramic shard scratched with a lively image of a horse, added after the vessel was fired.