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.

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 ...

Mundane wayward space rock, or extraterrestrial visitor? Astronomers believe that our solar system's latest and only third ...

It has been estimated that if a giant space rock that is just 11 or 12 kilometers wide hit us it would “wipe out most ...

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