New Hubble Telescope imagery of the interstellar interloper comet 3I/ATLAS reveals a dusty coma and the beginning of a tail.

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

NASA’s Hubble Space Telescope captured what the agency says is the "sharpest-ever" image of an interstellar comet speeding ...

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

The latest observations of 3I/ATLAS suggest it resembles comets from the outer reaches of our solar system, but may be ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

Learn about the interstellar comet 3I/ATLAS, a high-velocity visitor from another star system. Learn how NASA is tracking its ...

Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

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

NASA and the European Space Agency recently shared remarkable new images of the interstellar comet 3I/ATLAS, which was ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...