NEW YORK — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes ...

Astronomers have spotted a distant planet shedding matter with each orbit around its host star, generating a comet-like tail ...

Comet SWAN, hailing from the Oort Cloud beyond Pluto, has been visible through telescopes and binoculars ... by a camera on a spacecraft operated by NASA and the European Space Agency to study ...

A disintegrated comet has left behind a glowing dust cloud—here’s how to spot it before it vanishes from the northern sky.

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

Astronomers discovered a planet that orbits its star so closely that its surface is being scorched into magma and vaporizing ...

MIT astronomers have discovered a planet some 140 light-years from Earth that is rapidly crumbling to pieces. The ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.