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

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, […] ...

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

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

Harvard astronomer Avi Loeb and his colleagues suggest the possibility interstellar space object 3I/ATLAS is generating "its ...

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

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

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

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

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 ...

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