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 ...

, July 10 -- Scientists searching for signs of intelligent extraterrestrial life say some of the coldest objects in the Milky Way may not be stars at all but massive energy-collecting structures built ...

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 ...

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 ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

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

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 ...