Many tipping elements are now well-known: the Amazon rainforest, the Greenland Ice Sheet, the Atlantic Meridional Overturning ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.

With findings on Earth’s polar extremes and its innermost core, scientists shaped how we look at the planet in 2025 in surprising and fascinating ways.

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field.

Scientists say Earth’s magnetic field may have funneled atmospheric particles to the moon for billions of years. Lunar soil could preserve a record of Earth’s past while providing resources for future ...

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 ...