The discovery renews the debate about how Earth got its oceans. If comets like 12P/Pons-Brooks carried water to our young ...

Loeb is not dismissing the comet theory, but he argues the odds of something unusual are higher than most assume. On his ...

In this episode of Newsmaker, FOX 10's John Hook speaks with Harvard physicist Avi Loeb about a fast-moving comet, 3I/ATLAS, that is approaching Earth. The object was first reported in July.

Alien hunting Harvard astronomer Avi Loeb continues to rail against the idea that our newest interstellar is merely a comet.

How do you tell how old an astronomical object is? I mean, the next time the moon is in the sky, take a look at it. How would ...

The comet, originating from beyond our solar system, continues to draw attention from astronomers worldwide as multiple Nasa ...

I/ATLAS has captured the attention of astronomers—and the public’s fascination—as new clues about its mysterious nature are ...