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 ...

Your every breath serves as a reminder that the atmosphere of Earth is silently carrying out its function. Since air is ...

This Earth Day, test your environmental knowledge by participating in CBS News' #OutGreenMe challenge. Grab your phone and quiz someone with the below facts and show us how much you know about our ...

Today, April 22, 2022, is Earth Day, a time set aside to celebrate the Earth, learn about the environment, and promote conservation. The theme for this year’s event is “Invest in Our Planet.” You can ...

The lithosphere is the layer of Earth we call home. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The lithosphere is the outermost layer of ...