Astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that's teetering at the black hole's edge.

A new analysis of marsquakes measured by NASA’s InSight lander indicates Mars has a solid inner core – but other researchers ...

The weird outbursts of a distant supermassive black hole may be caused by a death-defying white dwarf walking a cosmic tight ...

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...

Multiple NASA telescopes recently helped scientists search the sky for supermassive black holes—those up to billions of times ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Regular pulses of X-ray radiation emanating from a supermassive black hole could be explained by a white dwarf star on the ...

A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...

A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...