NASA has classified 3I/ATLAS as a comet, but Harvard scientist Avi Loeb believes we should reach out while we still have ...

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 ...

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

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

The 3I/ATLAS, which was first spotted on July 1, has the fastest velocity of any solar system visitor to date, NASA says. The comet’s 130,000 mph speed is nearly 100 times the speed of some bullets.

On August 11, 2025, Harvard astrophysicist Avi Loeb sparked global intrigue by proposing that the interstellar object 3I/ATLAS, discovered on July 1, 2025, by NASA’s ATLAS telescope in Chile, may be ...

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 ...