3i atlas news: A sudden and rapid surge

A sudden and rapid surge in the brightness of interstellar comet 3I / ATLAS was observed by spacecraft on Wednesday, October 29, as it reached its closest point to the sun. The comet's unusual ... A massive comet known as 3I / ATLAS that was first discovered zooming across the solar system over the summer showed signs of “non-gravitational acceleration" and appeared to have turned blue as it passed the Sun, according to scientists. Comet 3I / ATLAS was discovered on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System ( ATLAS ) telescope in Chile. The designation “ 3I ” marks it as the third confirmed interstellar object — following 1I/‘Oumuamua in 2017 and 2I/Borisov in 2019. Its detection reignited global ... 3I / ATLAS update today: Quite a few new things have been observed about the interstellar comet. We are keeping an eye on this visitor to inform you about everything that's going on with it. Scroll down for the latest on 3I / ATLAS .