An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

A new scientific paper is drawing attention because it puts forward an unexpected idea about a space object called 3I-ATLAS. Some scientists now question whether this object, which came into our solar ...

Learn about the interstellar comet 3I/ATLAS, a high-velocity visitor from another star system. Learn how NASA is tracking its ...

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

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

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

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

Scientists propose that NASA's Juno probe could intercept the recently discovered interstellar comet, 3I/ATLAS, providing a close examination of this enigmatic celestial object.

NASA and the European Space Agency recently shared remarkable new images of the interstellar comet 3I/ATLAS, which was ...

On Episode 173 of This Week In Space, Rod Pyle and and Tariq Malik look back at the week in space news.

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard physicist calls potentially technological.