Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

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

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

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

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

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

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

No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second,” said David Jewitt, the University of California, Los Angeles astronomer in charge of Hubble’s ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...

NASA’s Hubble Space Telescope has captured its most detailed image yet of interstellar comet 3I/ATLAS. The rare comet is ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

The most striking science photos of the week: including the Perseid meteor shower and glowing underwater wonders.