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

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third of its kind ever ...

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 — 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 ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. Video above: ...

A strange object hurdling through our solar system from interstellar space may, according to one of academia's most ...

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

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...

U-M astronomers are helping study a fast-moving, ancient, and massive comet that formed beyond our galaxy. A group of ...

A newly captured image has provided an unprecedented view of the third interstellar object to pass through our solar system, ...