The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Milky Way photography can yield some stunning shots from here on Earth. But what if you had a vantage point at some 400km ...

According to a tenet scientists call the cosmological principle, our place in space is in no way exceptional. But recent observations could overturn this long-held assumption ...

The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.

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

Sagittarius A* is the supermassive black hole at the center of our home Milky Way galaxy. It has a mass equal to billions of suns and has an accretion disk made up of gas and dust surrounding it.

For over 40 years, astrophysicist Annie Robin has dedicated her research to unraveling the mysteries of the Milky Way.

(CNN) - Astronomers say they have spotted a dazzling light show from the Milky Way’s black hole. The astronomers spotted the activity using the James Webb Space Telescope. Researchers say they ...