The Earth's magnetic field has been getting weaker over the past few centuries. This weakening can be seen in data gathered ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

At the edge of East Antarctica, where the wind howls through a white emptiness and the air bites harder than steel, ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion ...

Wadisuchus kassabi, an ancient crocodile from Egypt, shows crocodiles lived in the sea, offering insight into reptile ...

Carbon sustains life—but excess emissions are driving climate change. WWF is working to restore balance and protect our ...