C/2025 K1 (ATLAS) was on its way out of the solar system when it did the fateful thing that many comets do. Reading time 3 ...

And now it's 250 million miles away.

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that ...

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...

Images were captured by the Hubble Space Telescope, which was meant to be observing a different comet ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

The universe is overrun with dark matter, outweighing the ordinary stuff that stars and planets are made of five-to-one. But some corners of the cosmos are more dominated by the i ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it passed close to the sun.

NASA and ESA have released new images from the Hubble Space Telescope of a comet breaking up as it exits the solar system, captured as part of study recently published in the journal Icarus. The ...

The Hubble Space Telescope has captured imagery of the "largest protoplanetary disk ever imaged" known as IRAS 23077+6707 and ...

The image features one of the most visually intricate remnants of a dying star: the Cat’s Eye Nebula, also known as NGC 6543.

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding galaxies.