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

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

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

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

The mysterious object named 3I/ATLAS that came from outside our solar system and is hurtling towards the sun, has once again ...

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

NASA has shared new details about 3I/ATLAS. It is an interstellar object moving at 209,000 km/h. Hubble images show it is ...

That strange interstellar object flying by us may, according to one outlandish astronomer, have been sent by aliens to see ...

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

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard ...

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

Nasa has unveiled remarkable new photographs from the Hubble Space Telescope showing an extraordinary celestial visitor ...