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 ...

The spacecraft, bound for a metallic asteroid, turned to snap a striking image of our home planet from 180 million miles away.

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.

NASA's telescopes have captured detailed observations of interstellar object 3I/ATLAS, confirming it as a natural comet rich ...

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 ...

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