The highly anticipated interstellar comet is currently invisible from Earth and completely hidden by the Sun's glare.

They sky is filled with celestial treats this month, including a close Earth-approach by two comets. Can you see in NJ?

A comet discovered earlier this year, now just bright enough to be visible to the naked eye, is poised to be among the top ...

Two comets, Lemmon and SWAN, are visible in the night sky through October 2025. Comet Lemmon will appear green and is best viewed in the northwest sky after sunset. Comet SWAN is dimmer and best ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

A new comet was discovered last month. Now, as we go through this month, the comet may become easier to view. The new comet was discovered by a sky imaging instrument called SWAN. SWAN stands for ...

An astronomer has snapped comet 3I/ATLAS using the Lowell Observatory's powerful Discovery Telescope, as well as his own ...

Dozens of students gathered at Harvard’s Loomis-Michael Observatory on Thursday and Friday for a rare viewing of Comet Tsuchinshan-ATLAS, a comet visible to the naked eye that researchers say is ...

A long-overdue solar blast struck, delivering a powerful hit to Earth and the newly discovered Comet Lemmon (C/2025 A6), ...