NASA has identified an interstellar comet, named 3I/ATLAS, hurtling towards us at 200,000 km/h. It should be visible by telescopes through September and reappear in December.

Its closest approach to the Sun will occur around October 30, just inside Mars’ orbit, at 1.4 AU, before it continues its ...

Found on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile, this visitor is only the third ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...