New research has uncovered compelling evidence that water from a comet is strikingly similar to that found in Earth's oceans, ...

NASA's Hubble Space Telescope has captured an image of interstellar comet 3I/ATLAS moving through the solar system at 130,000 ...

NASA astronomers have witnessed the movement of the fastest ever comet seen so far and using Hubble Space Telescope clicked ...

David Jewitt at the University of California, Los Angeles, and his colleagues studied images from ground-based and ...

The 3I/ATLAS, which was first spotted on July 1, has the fastest velocity of any solar system visitor to date, NASA says. The ...

U-M astronomers are helping study a fast-moving, ancient, and massive comet that formed beyond our galaxy. A group of ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

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

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

Of course, 3I/ATLAS is no ordinary comet. Discovered on July 1, 2025 by the Asteroid Terrestrial-impact Last Alert System ...

The space telescope obtained some details about the third recent interstellar visitor.

Learn when and where to watch the 2025 Perseid meteor shower, with expert tips from NASA scientists for the best viewing ...