A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

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

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.

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

Harvard scientist Avi Loeb, who thinks that the interstellar object racing towards the inner solar system could be an alien spaceship, has called on world leaders to come up with an action plan that ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

“They happen to be very close to each other in the sky right now,” he says. “The closest approach was actually this (Tuesday) ...

On the subject of Comet 3I's unnaturalness, Harvard physicist Avi Loeb has admitted to having concerns about the discovery in ...

The 3I/ATLAS, which was first spotted on July 1, has the fastest velocity of any solar system visitor to date, NASA says. The ...

The space telescope obtained some details about the third recent interstellar visitor.

Physicist Avi Loeb has argued the possibility that 3I/ATLAS spotted by a NASA telescope could contain alien intelligence ...