black hole
UMD-led study captures six galaxies undergoing sudden, dramatic transitions
Galaxies come in a wide variety of shapes, sizes and brightnesses, ranging from humdrum ordinary galaxies to luminous active galaxies. While an ordinary galaxy…
Black hole at the center of our galaxy appears to be getting hungrier
The enormous black hole at the center of our galaxy is having an unusually large meal of interstellar gas and dust, and researchers don't yet understand why.
Hubble discovers mysterious black hole disc
The presence of the black hole disc in such a low-luminosity active galaxy has astronomers surprised. Black holes in certain types of galaxies such as NGC 3147…
Telescopes in space for even sharper images of black holes
The idea is to place two or three satellites in circular orbit around the Earth to observe black holes. The concept goes by the name Event Horizon Imager…
International astronomers reveal first image of event horizon of super-massive black hole
Today, in coordinated press conferences across the globe including one at National Science Foundation in Washington, D.C., an international team of astronomers…
Astronomers discover 83 supermassive black holes in the early universe
Astronomers from Japan, Taiwan and Princeton University have discovered 83 quasars powered by supermassive black holes in the distant universe, from a…