Black Hole

A supermassive black hole sits at the center of our galaxy and there are usually no activities being detected from it, until astronomers notice the black hole called Sagittarius A* lighting up brighter than normal in May. The closest supermassive black hole …

The supermassive black hole at the center of the Milky Way is normally quiet, but in May it surprised astronomers with an unprecedented explosion of infrared light. The closest supermassive black hole to Earth, called Sagittarius A* or Sgr A*, suddenly got…

At a Glance The supermassive black hole at the center of the Milky Way suddenly lit up in May.Astronomers say the black hole called Sagittarius A* grew 75 times brighter in just two hours. In mid-May, a supernova black hole at the…

Even though the black hole at the center of the Milky Way is a monster, its still rather quiet. Called Sagittarius A*, its about 4.6 million times more massive than our Sun. Usually, its a brooding behemoth. But scientists observing Sgr. A* with the Keck Tele…

Overwatch's latest hero, Sigma, is now available for all players on Xbox One, PS4, and PC.Blizzard confirmed Sigma's move from PTR servers to full availability. Blizzard is also running a Role Queue beta seasons starting today and ending on September 1, which…

You don’t usually think of a supermassive black hole as something that can go unnoticed, but many of these interstellar monsters are quite placid. For instance, Sagittarius A* (pronounced “Sagittarius A Star”) in the center of our own Milky Way galaxy. It’s u…

What made the black hole turn bright so suddenly? (Getty) The supermassive black hole at the heart of our galaxy suddenly glowed far, far brighter than normal - becoming 75 times more luminescent - before going back to normal. Scientists are trying to figur…

The supermassive black hole at the center of our galaxy has become unexpectedly active, with astronomers generally puzzled as to why Sagittarius A* has suddenly lit up with extreme brightness. Almost 26,000 light years from Earth, Sagittarius A* – or Sgr A* –…

There's a galaxy not too far from our own that astronomers were very sure was shaped like an "X," at least from the perspective of radio telescopes. But a new, clearer radio telescope image shows that the galaxy looks more like a stretched-out blob. That ima…

If contemplating the vast size of astronomical objects makes you feel rather puny and insignificant, then this new discovery will make you feel positively infinitesimal. Its almost impossible to imagine an object this large: a super massive black hole thats …