All this is going on many miles below our feet.

Earth may be more prone to large asteroid impacts than humanity previously believed. At least, that's the suggestion made by a new NASA-funded study presented at the Lunar and Planetary Science ...

A meteorite found in Antarctica in 2012 suggests Earth may have formed with the materials needed to make water, a new study hints. When you purchase through links on our site, we may earn an affiliate ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's surface temperature has changed over the past 485 million years. In a paper ...

Impact craters found around the Earth that were made around the same time could be linked to debris falling from a ring, a new study suggests. By Becky Ferreira If you were to look up from Earth some ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers say ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Gold and other ...

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during ...

According to a new study by NASA, Earth is running out of oxygen, and they even know when it will occur. The study was led by Kazumi Ozaki from Toho University and Christopher Reinhard from Georgia ...