Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

A distant planet’s final spiral into its star reframed Earth’s fate: not one sudden end, but long quiet thresholds over deep time.

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 ...

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 ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

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 ...

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 ...

Pollen grains are far more than allergens — they are also nature’s time capsules, preserving clues about Earth’s past environments for millions of years. Pollen’s tough outer shell enables it to ...

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 ...