Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Illustration of the Green ...

An invisible monster lurks beyond the stars of the constellation Sagittarius near the border with Scorpius: a supermassive black hole, designated as Sagittarius A* (pronounced “Sagittarius A-star”), ...

Understanding the size of our galaxy depends on the definition used for our galaxy. There are a range of definitions, some very specific and some that delve into the realm of dark matter. The Milky ...

Add Yahoo as a preferred source to see more of our stories on Google. The Milky Way, seen here in the Uruguayan sky, has a mysterious glow at its center, which could be related to a hidden form of ...

Get ready, stargazers: The Milky Way could be coming to a sky near you. Our galaxy is positively teeming with billions of stars that become bright and vibrant in the cosmos at certain times of the ...

Scientists have captured the most complete, high-resolution map of the cold gas at the center of the Milky Way, which contains the raw material from which stars and planets are made. Information from ...

(CNN) — At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars.