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 ...

James Webb Space Telescope discovers 300 mysteriously luminous objects, sparking debate on whether they are galaxies or something else ...

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 ...

This week, astronomers have documented the occurrence of an unprecedented stellar death unlike anything seen before.

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 ...

Scientists have proposed a six-word message to send to the interstellar object shooting through space before it reaches a ...

On August 11, 2025, Harvard astrophysicist Avi Loeb sparked global intrigue by proposing that the interstellar object 3I/ATLAS, discovered on July 1, 2025, by NASA’s ATLAS telescope in Chile, may be ...