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

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

The most striking science photos of the week: including the Perseid meteor shower and glowing underwater wonders.

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 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, […] ...

Interstellar, one of Christopher Nolan's best movies, was made in honor of his favorite film, and he fixes a 56-year-old ...

Astronomers estimate it's roughly the size of the island of Manhattan. It's only the third known object from interstellar ...

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

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

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

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