Comet 3I/ATLAS approaches Earth on Dec 19: What we know and how you might spot it

Comet 3I/ATLAS, an interstellar visitor, will make its closest approach to Earth on December 19, 2025, remaining about 270 ...

9 night sky events to see in December, from a supermoon to a once-in-a-lifetime interstellar comet

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing ...

Watch live video: Another ATLAS comet steals the spotlight as C/2025 K1 fractures and flees the sun

The fractured comet C/2025 K1 (ATLAS) is now visible to skywatchers after breaking into multiple large pieces following a close encounter with the sun. This event, unrelated to interstellar object ...