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

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, ...

Interstellar object 3I/ATLAS — which is zooming through our inner solar system has sparked fiery debate after a leading ...

A respected Harvard astrophysicist has shared new claims about the mysterious interstellar object in our Solar System, saying there are signs it is not an ordinary comet.

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

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

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

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

STARRS Observatory in Hawaii made history in 2017 when they detected 'Oumuamua, the first interstellar object (ISO) ever ...

An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...