The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

Comets are famous for making brief, dramatic appearances in our skies, but one icy wanderer just received an unprecedented level of attention from one of NASA's newest spacecraft. For nearly 40 days, ...

The interstellar comet was 1.4 astronomical units away, or roughly 3I/ATLAS provided a touch that the orbit models could no ...

WASHINGTON — NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as space agency ...

By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that spacecraft’s velocity could receive a huge boost — enough to allow it to catch up ...

A camera aboard NASA’s Mars Reconnaissance Orbiter captured this image of interstellar comet 3I/ATLAS on October 2. - NASA/JPL-Caltech/University of Arizona The ...

NASA on Wednesday released new images of an interstellar comet, just the third visitor ever confirmed from elsewhere in the galaxy, which show the object as a bright point of light surrounded by a ...

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation. At a news conference, ...

CAPE CANAVERAL, Fla. (AP) — NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar system. Discovered over the summer, the comet ...

Month-old photographs of a comet do not typically fuel conspiracy theories of an imminent alien invasion. But this is not quite an ordinary comet; 3I/ATLAS came from beyond the solar system and is now ...

Harvard astronomer Avi Loeb has just spoken out about a bold proposal: launching a spacecraft to pursue and capture the interstellar comet 3I/ATLAS.