Stephen McAllister (Image: George Munro) On July 1, an object was flagged up by ATLAS (the Asteroid Terrestial-impact Last Alert System) in Rio Hurtado in Chile. It was approximately six miles across, ...

Chadderton-born Professor Brian Cox has spoken out about claims that an interstellar object could be an alien spacecraft ...

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 ...

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 ...

“They happen to be very close to each other in the sky right now,” he says. “The closest approach was actually this (Tuesday) ...

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

Physicist Avi Loeb has argued the possibility that 3I/ATLAS spotted by a NASA telescope could contain alien intelligence ...

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 ...

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