NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into Earth's cosmic neighborhood.

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers determine the object’s size.

Scientists want to send a spacecraft to intercept the interstellar object 3I/ATLAS before it vanishes for good.

NASA detected the interstellar object, dubbed 3I/ATLAS, traveling through our Solar System, sparking a flurry of scientific analysis to determine its origin.

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object 3I/ATLAS and take a closer look – but time is against them ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" alien technology.

Since 2017, three interstellar objects have been spotted passing through our solar system: 1I/ʻOumuamua, 2I/Borisov… and just this month, 3I/ATLAS. Discovered on July 1 by the Asteroid ...

The Vera C. Rubin Observatory captured Comet 3I/ATLAS racing through space in a video, offering a peek at the interstellar visitor.