Since the interstellar comet 3I/ATLAS was discovered this past July — just the third confirmed object to arrive from another star — astronomers have been closely following its passage through our ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...

NASA has now settled one of the most tantalising space mysteries of the year, confirming that the interstellar visitor 3I/ATLAS is a natural comet and not an alien probe. The object, which swept into ...

NASA's SPHEREx space telescope detected organic molecules coming off comet 3I/ATLAS as the interstellar visitor made its ...

The comet is the 3rd interstellar object ever detected and got its name from the ATLAS telescope that discovered it. NASA officials have rejected conspiracy theories that the object could be an alien ...

A cosmic traveler from beyond our solar system is giving scientists an unprecedented show, and the discoveries keep getting more intriguing by the day. Interstellar comet 3I/ATLAS, officially ...

The infrared space telescope also detected water vapor, carbon dioxide and organic compounds streaming from the departing comet two months after it made its closest approach to the sun. When you ...