Interstellar Comet 3I/ATLAS puzzles scientists with a sunward anti-tail and wobbling jets, revealing secrets of alien solar ...

This video shows everyday activity in Valencia’s historic city center, where locals and visitors gather around classic buildings, plazas, and cafés in the heart of the old town.

Astronomers are closely tracking a mysterious interstellar comet showing an unusual wobble and unexpected flaring activity.

A comet from another star system is putting on a show that looks uncannily like a heartbeat, with bright jets of gas and dust ...