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

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

Harvard scientist Avi Loeb urges global leaders to devise a plan for a potential alien attack, should interstellar object ...

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

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

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

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.

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

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

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.

Scientists have proposed a six-word message to send to the interstellar object shooting through space before it reaches a ...

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