In July 2025, a planetary-defence telescope in Chile built to watch for dangerous asteroids accidentally became the instrument that discovered only the third interstellar object ever seen — a comet now thought to be older than the solar system, sweeping throu - Space Daily

In July 2025, a planetary-defence telescope in Chile built to watch for dangerous asteroids accidentally became the instrument that discovered only the third interstellar object ever seen — a comet now thought to be older than the solar system, sweeping throu Space Daily Interstellar comet may be oldest object seen in our solar system, scientists say The Guardian NASA’s Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS NASA Science (.gov) Interstellar Comet 3I/ATLAS is almost as old