The interstellar comet 3I/ATLAS has just made its closest pass to the Sun, and it's brighter than scientists expected.

Interstellar objects like 3I/ATLAS are exciting, but there is no reason to claim that they are evidence of alien spacecraft – ...

NASA has confirmed that interstellar comet 3I/ATLAS safely passed Earth without any deviation from its predicted trajectory, ...

Harvard astrophysicist Avi Loeb is urging NASA to release high-resolution images of 3I/ATLAS that he says were taken Oct. 2.

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in ...

Spacecraft have revealed that the comet—which one scientist suggests could be an alien spacecraft—is now "distinctly bluer ...

Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

Josh Hawley promotes bill to continue funding SNAP benefits throughout the government shutdown. Physicist Avi Loeb explains ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

Harvard Physics Professor Avi Loeb joins the show to discuss the recent finding of the interstellar object 3I Atlas. NASA ...