Astronomers estimate it's roughly the size of the island of Manhattan. It's only the third known object from interstellar space to pass through our solar system.

Professor Avi Loeb, director of the Galileo Project, which hunts for signs of extraterrestrial intelligence, said the ...

An unidentified object originating outside the solar system is expected to travel past Earth in the coming months. The Guardian reports that the interstellar object is travelling towards the sun at a ...

John Hook previews this week's Newsmaker, and FOX 10 Anchor Brian Webb and Executive Producer Trenton Hooker discuss new evidence from Harvard astrophysicist Avi Loeb that the interstellar object, ...

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.