For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

A long-held dream in astronomy has finally come into reach, and it carries a surprising emotional weight. For years, ...

Astronomers have revolutionized our understanding of a collection of stars in the northern sky called the Pleiades. They used ...

Astronomers have identified a compact, superheated galaxy in the early universe that is churning out new suns at roughly 180 ...

More than a decade ago, scientists predicted our Milky Way galaxy and neighboring Andromeda would collide in four billion years, resulting in a “makeover” of our solar system. Now, that is unlikely — ...

The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. These galaxies are more than just neighbors: They're gravitationally bound. And for the ...

Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation emanating from the ...

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

The Milky Way galaxy, comprised of billions of stars, will be visible in the night sky until the end of May, particularly between the last quarter moon (May 20) and the new moon (May 30). Light ...