ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually increasing in frequency that seem to be coming from a white dwarf – a ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

An artist's concept shows a stream of matter trails a white dwarf (sphere at lower right ... The supermassive black hole at the center of the Milky Way, called Sagittarius A*, is about four times more ...

Astronomers theorize that a low-mass white dwarf, a compact core of a dead star about as large as Earth, could be the culprit. A cosmic mystery surrounding a black hole some 270 million light ...

The supermassive black hole at the center of the Milky Way, called Sagittarius A* ... of our sun appear destined to end up as a white dwarf. They eventually burn up all the hydrogen they use ...

Scientists have been actively observing Sagittarius A* (Sgr A*)—a supermassive black hole roughly 4 million times the mass of the sun— since the early 1990s. Sgr A* regularly exhibits flares ...

The Massachusetts Institute of Technology (MIT) team thinks that a dead stellar core, or white dwarf, daringly teetering on the edge of the black hole is the cause of increasingly frequent ...