Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods ...

Explore the unknown with "25 Things You Never Knew About The Earth" in this eye-opening video revealing hidden wonders and ...

This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most urgent threats facing our environment, from climate change to ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

The Earth is pretty good at keeping its pace. However, variations do happen. And on three separate days this summer—July 9, July 22, and August 5—the Earth will spin notably faster than usual. Of ...