The comet 3I/ATLAS, discovered on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Hawaii, marks the third recorded interstellar object, following the discoveries of 1I/‘Oumuamua in 2017 and 2I/Borisov in 2019.
3I/ATLAS huge breakthrough: NASA detects Fingerprint of Water — Does it confirm life beyond Earth?