About 140 light-years from Earth, there is a planet that is rapidly disintegrating. The crumbling world is roughly the mass [ ...

Since its discovery, hundreds of observations of the comet have been logged into the International Astronomical Union’s Minor ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

Best viewed from the Northern Hemisphere, the Lyrid meteor shower is the world's oldest known of its kind and reliably occurs ...

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

A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked ...

This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

Learn about new evidence that suggests life on Earth may have started with the help of molecules that were delivered by ...

Researchers say they discovered evidence that early Earth was home to more hydrogen than previously thought, calling into ...