"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored." ...

Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

A star system has been discovered to be moving at an estimated 1.2 million miles per hour, making it possibly the fastest moving solar system in our galaxy.

The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s plentiful rings.

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

A photo of lichen-covered trees at Chanctonbury Ring in West Sussex has been named as a winner in an astrophotography ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

The part of the world where we live lies exactly halfway between Earth’s equator and the North Pole. Mid-latitude locations like Minnesota’s feature distinct seasons in which the ...

Looking up into the dark Wyoming night sky, all the stars in the Milky Way were shining so brightly it looked like white paint had been splashed across the sky from horizon to horizon. I blinked ...