Almost all galaxies hold concealed monstrous black holes in their centers. Researchers have known for a long time that the more massive the galaxy is, the more massive the central black hole is. This ...

Human spaceflight is once again confronting a familiar problem: how to protect astronauts during long missions far beyond Earth. Engineers at Russia’s Energia Space Rocket Corporation, part of the ...

High resolution observations show a rotating dusty gas torus around an active supermassive black hole. The existence of such rotating donuts-shape structures was first suggested decades ago, but this ...