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 leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

Earth is moving much faster than it seems. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It may feel like we're standing still, but Earth ...

Scientists have announced the surprising discovery of oxygen and other heavy metals in the most distant known galaxy. The ...

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

Researchers are still not sure how old the moon is. However, there is now growing evidence that it is almost as old as our ...

In just a few days, a total lunar eclipse will be viewable from the U.S. See where and when you can catch a glimpse.

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 ...

A total lunar eclipse occurs when the Earth is positioned directly between the moon and sun, blocking the sun's rays from the moon.