Stromatolites: You Can't Spell Mold Without Old One of the big problems with Kelvin's estimates for the age of the Earth was ...

Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished together by gravity. That same cloud gave rise to our entire solar system, including our star, the sun.

The graphic below shows how the movement of the Earth's tectonic plates causes volcanoes to be formed, and what triggers a volcanic eruption.

We have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia. The crater formed more than 3.5 billion years ago, making it the ...

Astronomers believe that 14,000 undiscovered near-Earth objects like asteroids, large enough to cause damage, could be in space. Recently, NASA was tracking a large asteroid flying past Earth ...

"Given how rare such evidence is due to [Earth's] geological recycling processes ... no geologist had laid eyes on these stunning features since they formed." ...