Researchers in a recent breakthrough study have found the possibility of structures in the Milky Way that could be built by ...

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 ...

The Milky Way as a laboratory for civilizations Any attempt to chart alien societies has to start with the structure of The Milky Way itself, a disk roughly 100,000 light years across with hundreds of ...

The Milky Way’s Core: Could S0-6 Be an Alien Star?

"I usually try not to call things 'Rosetta stones,' but this is as close to a Rosetta stone as anything I've seen," said co-author John Johnson, also of Caltech. "It's like unlocking a language that ...

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

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

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 ...

Scientists have uncovered the true boundary of the Milky Way’s star-forming region using stellar “age mapping.” They found a telltale U-shaped pattern showing that star formation drops sharply around ...