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

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

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

A new scientific paper is drawing attention because it puts forward an unexpected idea about a space object called 3I-ATLAS. Some scientists now question whether this object, which came into our solar ...

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

The interstellar object 3I/ATLAS has sparked debate among astronomers since its discovery, and some are exploring whether it ...

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

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

On the subject of Comet 3I's unnaturalness, Harvard physicist Avi Loeb has admitted to having concerns about the discovery in ...

The space telescope obtained some details about the third recent interstellar visitor.

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

Your odds of winning the lottery are still 100,000 times larger than the probability of either Voyager hitting a comet.