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

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

In this episode of Newsmaker, FOX 10's John Hook speaks with Harvard physicist Avi Loeb about a fast-moving comet, 3I/ATLAS, ...

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

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 ...

In June, scientists spotted an odd object hurtling toward our solar system. 3I/ATLAS is likely the size of Manhattan. Unlike ...

Water on the Devil Comet matches Earth’s, supporting the idea that comet impacts delivered life-giving water to young Earth.

Astrophysicist Edwin Hubble was offered a staff position at the Mount Wilson Observatory in 1919 by the founder and director ...

Oh! I just saw one!” Stargazers sporadically interrupted their quiet chatter with excited cheering and clapping as they ...

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.