Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

NASA officials debunked a viral rumor spread on social media recently warning of a brief loss of Earth’s gravity Aug. 12.

A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no ...

A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth's history could have delivered a major share of Earth's water. A new study by Universities Space Research ...

Auroras may be visible from Alaska to Colorado tonight as a speedy coronal mass ejection impacts Earth.

Asteroid impacts represent a formidable natural phenomenon with the capacity to alter Earth’s environment on both local and global scales. The collision of near‐Earth objects (NEOs) with our planet ...

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the early Solar System.

Scientists thought this crater in Australia was the world’s oldest — but an independent analysis shows they might be off by at least 800 million years. When you purchase through links on our site, we ...