M87 was the first black hole to be imaged, and now it's revealing details of how some elementary particles are accelerated by ...

A monster lurks in the heart of many galaxies, a supermassive black hole able to devour entire stars in a blink. These ...

M87, located just under 55 million light-years from the Milky Way, was chosen for humanity's first image of the shadow of a ...

An international scientific team, led by a researcher from the Institute of Space Studies of Catalonia (IEEC) and the ...

One of the strangest galaxies in the neighborhood of the Milky Way has just presented astronomers with a fascinating mystery.

Most galaxies are thought to play host to black holes. At the center of Centaurus A, a galaxy 12 million light years away, a jet is being fired out into space. Images that have been captured by NASA’s ...

A new image by the Chandra X-ray Observatory reveals an unidentified celestial object, dubbed C4, getting blasted by a jet of ...

NASA Goddard Space Flight Center runs down the best-known Black Holes in the Milky Way galaxy and the Large Magellanic Cloud.

A black hole is a region in space where gravity is so strong that nothing—not even light—can escape from it. At the center of ...

By searching sparsely populated regions of the galaxy, astronomers have for the first time found the source of a kind of signal that has puzzled them for years.

Could a decades-long debate about the mysterious movements of stars in Omega Centauri, the largest star cluster in the Milky Way, finally be resolved?