That’s the compelling argument made by Caleb Scharf—author and senior scientist for astrobiology at NASA Ames Research in ...

Long before today's tree-dwelling sloths became icons of leisure, their ancestors roamed the ground as colossal herbivores.

Here are the best shows for a variety of kids from someone who's worked in the animation and kid's entertainment industry.

Jeff Bezos is looking to the stars, and he thinks millions of us will soon follow. Speaking at an Italian Tech Week event in ...

Humboldt Redwoods State Park in Weott, California isn’t just another stop on your road trip itinerary – it’s a portal to ...

Indigenous Australians may have been early "paleontologists," not big-game hunters, according to a new analysis ...

Humans evolved larger brains and flatter faces much faster than other apes, suggesting that intelligence shaped our skulls.

Scientists found a virus-like living entity in human bodies named "obelisks" - small loops of RNA, each a thousand genetic ...

Researchers often rely on fossil teeth for clues about what extinct animals ate. Giant ground sloths’ teeth have been tricky to analyze, though – until now.