A new guest in the cosmic neighborhood: The possible extraterrestrial origins of 3I/ATLAS
Is 3I/ATLAS an alien space probe? An irregular comet? Debate rages around status of 3rd interstellar object ever spotted. Harvard astrophysicist Avi Loeb discusses implications with ‘Magazine.'
This image of interstellar comet 3I/ATLAS was captured by the Hubble Space Telescope’s Wide Field Camera, July 21, 2025.(photo credit: NASA, ESA, D. Jewitt (UCLA); Image Processing: J. DePasquale (STScI))ByAARON REICHUpdated: