The interstellar comet 3I/ATLAS, a rare visitor from outside the Solar System, might have been spewing gases for months ...

The cosmos, in its vast expanse, continues to reveal awe-inspiring mysteries. The latest of these enigmas is a color-changing ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

Every 378 days, Saturn swings into opposition, bringing it closer, brighter, and nearly 10 times easier to observe than at ...

Discover Our Solar System Through Detailed 3D Models Forget dusty textbooks and flat diagrams. We’re talking about ...

Located approximately 700 light-years from Earth, this planet is famous for its extremely short orbital period and extreme ...

Family, can you imagine? When a comet with a long tail streaks across the night sky, it leaves us a "love letter," and this ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for ...

Phases of ice that exist naturally only on frozen moons could be detected using infrared spectroscopy, according to new ...

Travel the universe from your seat with our picks from the annual ZWO Astronomy Photographer of the Year competition.

Voting is now open for the fourth annual Coolest Thing Made in Colorado People's Choice Award, and the finalists bring a ...

Spacetime ripples from a black hole collision across the cosmos have confirmed weird aspects of black hole physics ...