It’s a ’90s showdown in the National Toy Hall of Fame finals, Furby vs. Tickle Me Elmo. Check out the frenzy and the controversy that made them legends.

The Sun’s intensity ebbs and flows over decades, and during periods where it’s more intense, it’s more prone to solar storms.

Interstellar Comet 3I/ATLAS is brightening unexpectedly, new observations have shown. The object has been creating a lot of buzz for its strange appearance and the absence of a tail in initial images.

On Sept. 23, a spacecraft will launch with a clear mission — to keep a constant watch on the sun to help protect Earth from space weather. The satellite, Space Weather Follow-On L1 (SWFO-L1), is ...

Celebrity Cruises’ seven-night Iceland Total Solar Eclipse itinerary (Aug. 8-15, 2026) onboard Celebrity Silhouette sails ...

The fall equinox marks the first day of Autumn. When does fall officially begin in 2025? This visual guide will get you oriented.

A few sunlit ridges beside ice-rich craters could become lunar chokepoints, unless Asia writes simple, shared rules now.

A total lunar eclipse already happened in September, now a partial solar eclipse is set to occur this weekend.

Solar activity has been on an overall decline since the ‘80s and scientists were expecting us to plunge into a historic low ...

Several well-known meteorite discoveries are still a mystery. Avi Loeb’s interpretation of some meteorite debris possibly being of alien origin is controversial, because peer‑reviewed analyses point ...