The Earth's inner core, long considered a solid and stable sphere, may be quite different. A recent study suggests that its ...

A new book explores how one biologist’s work at the North and South Poles changed the way he sees the world and our place in ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

Nickelodeon launches Avatar Studios, a dedicated studio for expanding the Avatar: The Last Airbender universe, including The ...