The ancestor of all primates, including today's lemurs and apes, probably lived alongside large dinosaurs, the earliest known fossil evidence shows.

Presenting accounts of technological success in captive lion breeding against the backdrop of rapidly diminishing wildlife loss lets humans off the hook too easily.

An ancient chunk of bone is the oldest from a domestic dog in the Americas, researchers believe. The find sheds light on how dogs got there.

Researchers have discovered the presence of high-energy neutrinos in the wake of a star being destroyed by a black hole.

Gregarious female giraffes that develop a sense of larger community live longer than those with fewer friends, a new study shows.

Harvard researchers develop a new motion-tracking system that delivers an unprecedented look at how animals move and behave naturally.

A new analysis of rock samples brought back from NASA's Apollo missions help clear up questions about the moon's formation and lava-covered early years.

The fossil hand of a 4.4 million-year-old skeleton could offer clues to how early humans moved and began to walk upright.