Comet tails, often seen as beautiful celestial phenomena, are more than just a visual spectacle. They hold critical ...

A Harvard scientist has suggested that an interstellar object passing through the solar system might be a nuclear-powered alien spaceship. Most astronomers believe the object, dubbed 3I/ATLAS, […] ...

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

Interstellar object 3I/ATLAS shows an unexpected frontal glow that Harvard's Avi Loeb says cannot be explained by sunlight ...

The fastest interstellar object continues to be bizarre; is it rotating weirdly or is something off about its surface?

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, 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 ...

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

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

Interstellar object 3I/ATLAS — which is zooming through our inner solar system — appears to be emitting its own light, ...

In the past decade, astronomers have witnessed three interstellar objects (ISOs) passing through the solar system. These ...