Small, rocky planets can coalesce around a wide variety of stars, suggesting that Earth-like alien worlds may have formed early and often throughout our Milky Way galaxy's history, a new study reveals ...

A NASA astrophysicist has recently proposed a theory that could potentially resolve the long-standing Fermi Paradox. The theory suggests that alien civilizations may be scattered sparsely throughout ...

An unusual collection of stars may represent the remnants of a dwarf galaxy that the Milky Way devoured about 10 billion years ago. Astronomers have dubbed the ancient galaxy Loki, after the Norse god ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may arise from several very different evolutionary events. Bursts of star ...

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's bright center is most visible in the United States from March to September. No special equipment is needed to see the galaxy, but dark skies away from city lights are essential.

Though the Milky Way is generally always visible from Earth, certain times of year are better for stargazers to catch a glimpse of the band of billions of stars. "Milky Way season," when the galaxy's ...