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

Space scientists say they are preparing a comet interceptor spaceship as the third interstellar object ever detected was ...

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

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...