The sun’s magnetic activity causes auroras, and the relationship between solar flares and auroras reveals an 11-year cycle; ...

A small asteroid burned up in Earth's atmosphere off the coast of California just hours after being discovered and before ...

The study describes a missing link found in an unusual pebbly sandstone encapsulated within the granite that forms Colorado's ...

This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different ...