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

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

An aging spacecraft more than a decade into its mission may soon undertake one of the most ambitious maneuvers in modern ...

Recent claims from Harvard say a comet traveling through our solar system could be a UFO—MSU researchers say they aren't true ...

STARRS Observatory in Hawaii made history in 2017 when they detected 'Oumuamua, the first interstellar object (ISO) ever ...

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

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

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

No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second,” said David Jewitt, the University of California, Los Angeles astronomer in charge of Hubble’s ...

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

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

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