The black hole at the center of the M87 galaxy is 1000 times more massive than Sagittarius A*. Watch views of both captured ...

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”), ...

Researchers may have identified what could be a compelling clue in the ongoing hunt to prove the existence of dark matter. A mysterious diffuse glow of gamma rays near the center of the Milky Way has ...

Sci-fi tends to paint the edge of our galaxy as a desolate backwater, but in one early galaxy, the galactic rim is the bright, bustling center of activity, and the core is the aging backwater. The ...

At the heart of our galaxy lies a cosmic puzzle: although the Galactic Center is packed with star-making material, massive stars form there surprisingly slowly. Using NASA's retired SOFIA observatory, ...

The discovery could lead to the finding of more planets. Astrophysicists are marveling at the latest celestial discovery made near the Milky Way's supermassive black hole. Scientists have uncovered ...

Sagittarius C is one of the most extreme environments in the Milky Way Galaxy. This cloudy region of space sits about 200 light-years from the supermassive black hole at the center of our galaxy. Here ...

Data sonification from NASA missions provides a new method to enjoy an arrangement of cosmic objects. These data sonifications translate information collected by various NASA missions — such as the ...

Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The European Space Agency’s (ESA) Gaia space telescope has ...

The glowing red band represents high concentrations of gamma rays across the center of the Milky Way. NASA / DOE / Fermi LAT Collaboration Dark matter—an unseen substance thought to make up 27 percent ...