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

Avi Loeb, the Harvard theoretical physicist who has drawn attention for suggesting comet 3I/ATLAS may be alien-made, is ...

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

When the exploration of 3//ATLAS is likely to be at its most productive, the interstellar comet will be behind the sun. Space ...

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

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

A mysterious interstellar comet named 3I/ATLAS is hurtling toward our solar system — and it's unlike anything we've seen ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at ...

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

Could an interstellar object be illuminating the depths of space with its own light? Recent claims by Harvard astrophysicist Avi Loeb suggest that 3I/ATLAS, an object zooming through our solar system, ...

Dr. Loeb first raised concerns earlier this month, noting an anomaly in the object's appearance. Unlike typical comets, which ...

NASA’s Hubble Space Telescope has captured the sharpest-ever view of the interstellar comet 3I/ATLAS, revealing clues about ...