NASA's Hubble Space Telescope has taken the clearest image ever of the interstellar comet, 3I/ATLAS, offering new insights into this rare visitor from another star system. Discovered on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) at the University of Hawai'i,

NASA's Hubble Space Telescope has captured the sharpest image of interstellar comet 3I/ATLAS, revealing details about its size, speed, and dust activity. Discovered in July 2025, the comet is the fastest-known visitor to our solar system.

The comet 3I/ATLAS is racing through space at 209,000 kilometres per hour. That’s the fastest speed seen for a solar system visitor. It has likely travelled for billions of years in space.