Researchers found increased meltwater and rain explain 60% of a decades-long mismatch between predicted and observed temperatures in the ocean around Antarctica.

Arctic sea ice had its weakest winter buildup since record-keeping began 47 years ago. Scientists say it's a symptom of ...

A trail of 23,000-year-old footprints in New Mexico is rewriting the story of when—and how—humans first arrived in North ...

Scientists have performed a necropsy on a 50,000-year-old baby mammoth discovered in Siberia. The female mammoth, nicknamed ...

Across the world, eerie "death pits" have entombed thousands of creatures, creating fossilized mysteries that scientists are ...