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The center of our galaxy is an extreme place. Surrounding the supermassive black hole Sagittarius A*, stars are packed ...

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”), ...

Learning is all part of the fun.

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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 ...

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 ...