Euclid is on a quest to unravel one of the universe’s greatest mysteries: why it's expanding faster and faster. With help ...

With meteor showers and other celestial events lighting up the sky throughout April, astronomers predict an exciting month of ...

A dazzling celestial display is set to light up the night sky this April as Earth drifts through a dusty trail left by an ...

Rocket launches can create eerie patterns in the sky, from undulating bright-blue spirals to glowing “jellyfish” blobs.

A waxing Moon brightens the sky as we catch our last looks at Uranus and view Venus, Mercury, Jupiter, and Mars in the sky ...

Californians can glimpse up to 15 meteors each hour under cloudless skies while the Lyrid meteor shower is underway. The ...

A different kind of nightlife awaits when you road-trip out for some celestial splendor. See the best places for stargazing ...

April skies feature close planet pairings, a bright meteor shower, and stunning views of the ancient star cluster M3.

The city of Palo Alto is considering new rules to cut out light pollution and they could go so far as a 10 p.m. curfew on all outdoor lights. Reportedly - 80% of Americans can't see the Milky Way ...

Anna Levin offers a fascinating read about our place in a mysterious world and a connection to something bigger than ...

New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, is evolving.