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”), ...

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. NASA’s ...

Time is running out to see the iconic band of stars that comprise the center of the Milky Way. Our galaxy is positively teeming with billions of billions of stars that routinely become bright and ...

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. What you're looking at when the Milky Way is visible is the bright center of our galaxy with billions of ...

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 ...

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. What you're looking at when the Milky Way is visible is the bright center of our galaxy with billions of ...

The center of our Milky Way galaxy is expected to shine every night through August as it gets higher in a darker sky. Spectators will have the best luck on cloud-free nights and in locations away from ...

What you're looking at when the Milky Way is visible is the bright center of our galaxy with billions of stars. Because visibility from Earth depends on the latitude, the further south you go, the ...

Looking for an alternative to fireworks? Stargazers can catch a cosmic light show this Independence Day when the Milky Way appears in the night sky. The center of our home galaxy, which is composed of ...