Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

U-M astronomers are helping study a fast-moving, ancient, and massive comet that formed beyond our galaxy. A group of ...

The latest observations of 3I/ATLAS suggest it resembles comets from the outer reaches of our solar system, but may be ...

An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

Of course, 3I/ATLAS is no ordinary comet. Discovered on July 1, 2025 by the Asteroid Terrestrial-impact Last Alert System ...

Learn about the interstellar comet 3I/ATLAS, a high-velocity visitor from another star system. Learn how NASA is tracking its ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

Comet 3I/ATLAS has been observed by the Hubble Space Telescope, which delivered new insights into this third interstellar ...

No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second,” said David Jewitt, ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

A likely comet known as 3I/ATLAS made news earlier in July when it was confirmed to have originated outside Earth's solar system, which makes it just one of three known interstellar objects ever ...