Comet 3I/ATLAS has been observed by the Hubble Space Telescope, which delivered new insights into this third interstellar visitor. The orbital observatory has refined the estimates about the size of the cometary nucleus and confirmed that the comet is the fastest ever to come from beyond the Solar System.

Astronomers using the Hubble Space Telescope have observed 3I/ATLAS, only the third known object from outside our Solar System to visit our neighborhood.

Learn about the interstellar comet 3I/ATLAS, a high-velocity visitor from another star system. Learn how NASA is tracking its path and if it poses a threat to Earth.