A newly-discovered spiral galaxy, dubbed the Big Wheel, formed just 2 billion years after the big bang – far earlier, considering its size, than astronomers thought possible. Themiya Nanayakkara, at ...

Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy ...

A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...

A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

Published as a cover story in Science on Friday, this cosmic atlas solves a decade-old challenge in astronomy by revealing ...

At the easternmost edge of the Ouachita National Forest and less than an hour away from Little Rock, Lake Sylvia is the site ...

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

Previous efforts to map the galaxy's dust were challenged by limited data, but the Gaia mission has provided a treasure trove ...

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

Cherry Springs, isolated atop its mountain and surrounded by the 265,000-acre Susquehannock State Forest, remained a haven of ...