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 new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. Video above: Astronomers discover how planets form The Hubble Telescope and its Wide ...

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

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

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space ...

The second object confirmed to have strayed from another star system into our own — 21/Borisov — was discovered in 2019 by a Crimean amateur astronomer with that name.

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

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

Anatomy of an interstellar object Comet 3I/ATLAS follows two other intriguing interstellar objects, called ISOs, that once passed through our solar system: ‘Oumuamua in 2017 and 2I/Borisov in ...

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

Harvard astronomer and alien hunter Avi Loeb is still holding onto hope that interstellar object 3I/ATLAS was sent to us by ...