Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a ...

Avi Loeb, the Harvard theoretical physicist who has drawn attention for suggesting comet 3I/ATLAS may be alien-made, is sharing a new thought: The interstellar object could be nuclear-powered, based ...

He said images from the Hubble Space Telescope show a glow in front of the object, but no tail behind it. Usually, comets ...

A mystery object tearing towards Earth at break-neck speed has raised fears that aliens are on their way here.

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, ...

A Harvard scientist has suggested a 'hostile' object coming at us on Earth is an advanced 'mothership' after a warning was ...