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, ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

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

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

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

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

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third of its kind ever ...

Alien hunting Harvard astronomer Avi Loeb continues to rail against the idea that our newest interstellar is merely a comet.

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, […] ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our ...