The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

New simulations reveal interstellar objects don't arrive uniformly, with concentrations from the solar apex and galactic ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

"An unprecedented observing campaign," is how NASA itself defines the work being done to thoroughly study 3I/ATLAS. The US ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

The long-awaited photos, snapped by multiple NASA spacecraft between September and mid-October, show a tiny, glowing orb ...

Harvard astronomer Avi Loeb says interstellar object 3I/ATLAS could be firing its "thrusters" to leave the solar system.

Our brain’s evolution makes it nearly impossible to commit to a multi-generational mission like interstellar travel, says one ...