Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

Astronomers produced the most complete map of the center of the Milky Way, which can provide insight into how stars and planets are formed.

The Gaia telescope spotted more than 6,000 sunlike stars, all of which appear to have migrated from the galaxy's center more ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have long thought that the Milky Way would collide with the Andromeda galaxy in four to five billion years. This ...

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...

CWISE J1249+36, a low-mass runaway star, is traveling at an extraordinary speed that could propel it out of the Milky Way.

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. While the Milky Way is generally always visible from Earth, certain times of year are better for ...

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

Milky Way season, when the galaxy's bright center is visible, is underway. The best viewing time in the Northern Hemisphere ...

Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky ...