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 CONVERSATION) Long before the current political divide over climate change, and even before the U.S. Civil War (1861-1865), an American scientist named Eunice Foote documented the underlying ...

“Our existence is probably not an evolutionary fluke,” says Jennifer Macalady, a study co-author and microbiology professor ...

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 ...

How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.