Discovered on the first day of July 2025, by the Atlas Terrestrial-Impact Last Alert System (ATLAS), 3I/ATLAS is an interstellar comet in the constellation of Leo. It flew closest to the Sun on ...
3I/ATLAS, the third-ever interstellar object to bump into the solar system since 1I/Oumuamua (2017) and 2I/Borisov (2019), ...