In a time when the night sky seems mapped out and predictable, one traveler from the deep galactic dark has come to remind us that the universe can be mysterious. NASA's Asteroid Terrestrial-impact Last Alert System found the interstellar comet 3I/ATLAS in Chile on July 1, 2025. It has quickly become the most talked-about celestial object of the decade.
This visitor moves at an astonishing 58 kilometers per second and is not affected by our Sun's gravity. It is a real outsider — it's the third confirmed interstellar object ever found, after the mysterious 'Oumuamua in 2017 and 2I/Borisov in 2019.
