As the year draws to a close, the December night skies promise a dazzling array of cosmic spectacles. From the rare visit of an interstellar comet to the fiery trails of one of the year's best meteor ...

Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.

December's full moon 2025 will be the cold supermoon, set to rise amid the longest nights of the year and start of spectacular Geminids meteor shower.

AsDecember 2025 unfolds, skywatchers are in for a celestial treat. From the brilliance of a supermoon to the fleeting ...

Full House's Jodie Sweetin and Andrea Barber reflected on working with Mary-Kate Olsen and Ashley Olsen when they were young ...