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

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

NASA astronomers have witnessed the movement of the fastest ever comet seen so far and using Hubble Space Telescope clicked ...

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 ...

Harvard physicist Avi Loeb — who fears it could be on reconnaissance mission — believes that date would be an ideal window ...

A Harvard scientist warns a mysterious interstellar object could be an alien probe, while Perry Stone offers a prophetic perspective.

The scenario closest to the observations, the researchers determined, involved a massive dying star and a compact object such ...