Rapid X-ray oscillations detected near the innermost orbit of a supermassive black hole could indicate the presence of a nearby orbiter such as a white dwarf ...

"Black holes really do sit at the frontier of human understanding." Scientists have discovered that some supermassive black holes rotate much more rapidly than expected. The discovery came as the ...

Supermassive black holes are often regarded as sources of wanton cosmic destruction, but there may be more to their powerful influence than first meets the eye. Researchers studied data from the ...

As far as supermassive black holes go, the one at the center of the Milky Way is relatively sedate. But, even in its supposed quiescent state, Sagittarius A* is prone to the occasional belch or ...