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.

The researchers had initially selected a different target for Hubble.

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 ...

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings are ...

Four uncrewed lunar lander missions are set for 2026, paving the way for NASA's Artemis program to return humans to the moon.

Cancer the Crab is a dim constellation, yet it contains one of the most beautiful and easy-to-spot star clusters in our sky: ...

The Webb telescope's NIRCam has captured images of unexplained little red dots using infrared filters, leaving astronomers puzzled about their nature.

There's major music and theater ahead this weekend, plus it's time to start planning to participate in some amazing spring activities.

A newly studied exoplanet, Kepler-51d, is wrapped in an unusually dense layer of haze that may be hiding both what it is made of and how it formed ...

Two telescopes have captured images of the Cat's Eye Nebula, revealing how a dying star shed layers of material in violent ...

A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the ...