Mid-December skies open up to the Geminids meteor shower, a spectacle that transforms darkness into a theater of streaking ...

The best viewing window is 12 am to 4 am on December 14, when the radiant in the constellation Gemini climbs high in the eastern sky. Meteors may appear earlier in the night, but the post-midnight ...

Comet 3I/ATLAS is sweeping back into view for early risers, carrying fresh coordinates, new imagery and a rare chance to watch an interstellar visitor glide past our planet. As it nears its closest ...

For four decades, a stretch of Nevada desert was synonymous with nuclear firepower. Between 1951 and 1992, the U.S.

Auroras may be visible from Alaska to New York as an incoming coronal mass ejection is expected to slam into Earth today.