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

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

A timelapse of the 2023 annular solar eclipse as seen from outside Great Basin National Park in Ely Nevada. Captured with a Unistellar eQuinox 2 smart telescope with Smart Solar Filter. Credit: Space.

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

Partial solar eclipse 2025 on September 21: Surya grahan date, time, and will it be visible in India?

Up to 12 northern U.S. states have the best chances of catching a glimpse of the auroral glow: Alaska, Washington, Idaho, ...