One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet ...

Ancient climate cooling reshaped carnivoran bodies, with fossils revealing how habitats drove species diversity worldwide.

September 2025 All thunderstorms are dangerous because they produce lightning. But only some are classified as ...

The textbook version of the "Out of Africa" hypothesis holds that the first human species to leave the continent around 1.8 ...

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree.

Fossils can reveal far more than the shapes of ancient creatures. Molecules preserved inside old animal bones provide clues about past diseases, what those animals ate, and the climates they lived in.