This marks the first time astronomers have observed the formation of a ring system. Saturn isn't the only planet in our solar ...

Sunspot AR3038 is massive and NASA's Solar Dynamics Observatory has had its eye on it. Watch a time-lapse of it growing to ...

The Earth and moon are within view of NASA's Artemis 1 Orion spacecraft. The Earth is over 260,000 miles away (418,000 km) in ...

Using the James Webb Space Telescope, scientists have charted billions of years of galactic evolution, and found that ...

At the heart of the Milky Way, a faint and widespread glow of gamma rays has puzzled astronomers for decades. The light could ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

Comets Lemmon and SWAN are making their closest approach to the Earth tonight, Oct. 21. Here's how you might see them with ...

November's full moon will be the closest supermoon of 2025, set to shine for days. Here's when to watch and what to know ...

Late October offers a meteor shower generated by Haley's Comet plus a once in a lifetime comet that streaks by Earth every ...