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

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.

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

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

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

"At the moment, Punctum truly stands apart — it doesn't fit comfortably into any known category," said Shablovinskaia. "And ...

Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

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

Comet 3I/ATLAS will get as close as 210 million kilometers (130 million miles) from the Sun, far beyond the orbit of Earth, on October 30, 2025. The interstellar interloper will be visible from Earth ...

NASA has issued a chilling update on the mysterious 'interstellar object' racing through our solar system. The Hubble Space ...

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