Could a ‘Trojan Horse’ from space be headed our way? Harvard scientist Avi Loeb warns 3I/ATLAS might be more than the average ...

An interstellar comet that entered our solar system for a brief visit this year has captivated the attention of astronomers from around the world. Comet 3I/ATLAS is the third known interstellar object ...

This week's night sky will include a new comet that hasn't flown past Earth in over a thousand years -- and it won't be ...

This year's meteor shower will also coincide with two comets, promising a dazzling celestial display. Here's how to watch.

Three glowstick green comets, all discovered this year, could make a spectacular naked-eye appearance this month. The fiery triplets could not have come at a better time. The nights are dark, crisp ...