Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing ...

Imagine standing on solid ground, feeling perfectly stable and secure. But what if you knew that beneath your feet, massive chunks of Earth’s crust are slowly grinding, sliding, and colliding with ...

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 ...

Discover interesting facts about how Earth formed, what it's made of and more. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.