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

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

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, […] ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...

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

A respected Harvard astrophysicist has shared new claims about the mysterious interstellar object in our Solar System, saying ...

A shocking discovery on the surface of the interstellar object dubbed 3I/ATLAS could confirm that it was artificially ...

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

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

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.