Milky Way, black hole and Sagittarius A

Fast-moving stars in the Milky Way indicate there could be a supermassive black hole in the neighboring Large Magellanic ...
At the edge of the Milky Way, there are a surprising number of hyper-fast stars that originate from outside. They apparently ...
In 2007, astronomers discovered the Cosmic Horseshoe, a gravitationally lensed system of galaxies about 5.5 billion ...
A supermassive black hole, six lakh times the mass of the Sun, is moving towards the Milky Way from the Large Magellanic ...