Details about a mysterious interstellar object detected in the solar system on July 1 are now out, as shared by NASA ...

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

Astronomers using the Hubble Space Telescope have observed 3I/ATLAS, only the third known object from outside our Solar ...

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

NASA has confirmed the detection of 3I/ATLAS, the fastest interstellar object ever observed, speeding through our solar system at an astonishing 130,000 miles per hour.

The world needs to be prepared for an alien attack on Earth in case interstellar object 3I/ATLAS turns out to be an alien mothership, Harvard scientist Avi Loeb says. He wants world leaders to come up ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have ...