Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

Imagine creatures that have survived since the time of dinosaurs. Species like the tuatara, sturgeon, crocodile, hagfish, ...

Graham Lawton One would have to live off the grid and never go outdoors to honestly believe that the health of our planet—land ... many other polar animals, and their homes.

Pete Hegseth moves a step closer to being Trump's Defense secretary, despite allegations Can you name the oldest city in the US? And no, it's not in the Northeast. Scientists track intense radio ...

Kate Rodriguez-Clark is an animal matchmaking guru. Among her responsibilities as a population ecologist for the Smithsonian, ...

However, you can still find bristlecone pines in Nevada. Here's a look at the oldest trees and animals on the planet and where to find them. Bristlecone pines grow in Nevada, California ...

Measurements and data collected from space can be used to better understand life on Earth. An ambitious, multinational research project has demonstrated that Earth's biodiversity can be monitored and ...

Become a member of WWF, adopt an animal, take on a challenge for Team Panda or encourage your family and friends to donate by setting up a Facebook birthday fundraiser. WWF's most comprehensive health ...