For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could ...

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

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

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

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

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

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

"It took 35 years to reach interstellar space, but it will take 40,000 years for Voyager 1 to be closer to the star AC +79 ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

Our Solar System is home to many worlds, including protoplanets and dwarf planets. Protoplanets can grow into dwarf planet ...

When NASA's ATLAS survey first spotted the interstellar comet 3I/ATLAS in July 2025, astronomers recognized it as a rare and intriguing visitor from ...

Astronomers using ALMA have discovered that planet-forming discs are not flat and serene but subtly warped, reshaping our ...