Scientists trace ancient deep-sea changes in the Southern Ocean to explain how rising CO₂ helped warm Earth after the last ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...

Hominids have been using fire for at least a million years — but scientists have found that human fire-wielding skills during our planet’s last great Ice Age became so advanced that they would have ...

For nearly two centuries, the world accepted a simple explanation for why ice makes us slip. According to physics textbooks, pressure from a skate, a boot or a tyre melts a microscopic film of water ...