Imagine looking up at the night sky and spotting a huge, mysterious interstellar object racing through space, coming from far beyond our solar system. It is moving fast, and it seems to be heading in ...

A leading Harvard scientist has issued a stunning warning about an interstellar object on a trajectory toward Earth, ...

3I/ATLAS was discovered by NASA's Asteroid Terrestrial-impact Last Alert System (ATLAS) on 1 July, and is just the third ...

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that it's likely a comet.

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

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

Avi Loeb, the chair of the astronomy department at Harvard, has suggested that a Manhattan-sized interstellar object, which ...

Does the scientific community as a whole share the notion that a newly discovered interstellar object 3I/ATLAS is an alien ...

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

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

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

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...