Forget the neat, tidy narratives you might have heard in school about a stable, unchanging Earth. Just like history, our ...

On Earth Day, the globe celebrates our planet by supporting all things Mother Nature. This year, Earth Day lands on Tuesday, April 22. The day has been celebrated for 55 years, and while not federally ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's magnetic field is like an invisible shield that protects our planet from solar and cosmic radiation. While it might not be ...

When the first Earth Day was held on April 22, 1970, the founders — U.S. Senator Gaylord Nelson (D-WI) and activist Denis Hayes — said its purpose was to draw public attention to what was at the time ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...