The Milky Way is not the serene, flat disc that textbook illustrations suggest. Astronomers have confirmed that the outer ...

The mystery of galaxies in the early Universe just got even weirder. A team of astronomers has identified a giant spiral galaxy so well-formed that it already has a stable galactic bar; a long, ...

For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite galaxies—up to 100 more than we currently know. These elusive "orphan" galaxies have ...

Scientists have built detailed Milky Way simulations under strange new physical laws to probe dark matter, revealing how different versions of the universe might behave and helping us get closer to ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

New research suggests that the heart of the Milky Way may be dominated by a dense clump of dark matter rather than the ...

For decades, scientists have theorized that the Milky Way Galaxy’s supermassive black hole, known as Sagittarius A* (Sgr A*), ...

WASHINGTON, May 23 (Reuters) - Astronomers have observed a galaxy dating to an earlier epoch in the universe's history that surprisingly is shaped much like our Milky Way - a spiral structure with a ...

"It's possible we will see the new data and confirm one theory over the other — or maybe we'll find nothing, in which case it'll be an even greater mystery to resolve." When you purchase through links ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A collision between ...

Researchers may have identified what could be a compelling clue in the ongoing hunt to prove the existence of dark matter. A mysterious diffuse glow of gamma rays near the center of the Milky Way has ...