We have learned an enormous amount about our planet’s climate system by studying Earth’s modern and recent history -- roughly the last two million years, and particularly the last 10,000 to 100,000 ...

Billions of years ago, Earth was an uninhabitable rock covered in magma. Scientists are still working to decipher the tale of how it transformed into a blue and green orb teeming with life. However, ...

Over four millennia ago, in the final days of the Akkadian Empire in Mesopotamia, a drought swept over the region, afflicting lands as far away as Greece and what’s now Pakistan. Probably driven by ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A view of Earth as the Artemis II crew travels towards the moon. By the time you read this ...

Earth is the only planet known to support life. Learn about what Earth is made of and where it came from. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

I remember working on my first Earth Day project as a kid in elementary school in Massachusetts, constructing two huge, makeshift Styrofoam spheres showing what our planet looked like at that time and ...

Early in 1993, a manuscript landed in the Nature offices announcing the results of an unusual — even audacious — experiment. The investigators, led by planetary scientist and broadcaster Carl Sagan, ...