This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first emerged.

Plastic pollution affects fundamental Earth systems, contributing to almost every pressing global environmental challenge.

Between 635 to 541 million years ago, during the Ediacaran Period, Earth witnessed a remarkable emergence of early life.

Instead of sending tourists to space, scientists have found a more practical use for the final frontier: growing better ...

A diagram shows its orbit around Earth, the sun and several other planets nearer the sun in the Solar System. NASA tracks close approaches and calculates the odds of those space rocks ...

If you spotted comet C/2023 A3 (Tsuchinshan-ATLAS) in person, or seen photos online this October, you might have been ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

There's nothing innate about the Earth or its atmosphere that marks the boundaries of low Earth orbit. This is a distinction ...

A series of rocks hiding around Colorado's Rocky Mountains may hold clues to a frigid period in Earth's past when glaciers several miles thick covered the entire planet.

A diagram shows its orbit around Earth, the sun and several other planets nearer the sun in the Solar System. NASA tracks ...

The key to unlocking the secrets of distant planets starts right here on Earth. Researchers at Tohoku University, the ...

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...