The northern lights may be visible on Wednesday, Dec. 3, and Thursday evening, Dec. 4, as a series of solar eruptions sets up ...

One of the longest solar eclipses of the century, a spectacular total solar eclipse, will plunge parts of Spain, North Africa ...

Here's what you need to know to make the most of the partial solar eclipse on Sept. 21, as the moon takes a 'bite' out of the sun. Editor's note: The September 2025 partial solar eclipse put on a ...

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

This marks the first time astronomers have observed the formation of a ring system. Saturn isn't the only planet in our solar system with a ring system. While Saturn's rings are the most dramatic, the ...