A person under anesthesia after surgery tries to press an emergency button and call for help, very emotional moment. 2D white simple thin line animation of surgical microscope ... covering window ...

After incising the scalp over the cranium, a small hole was bored with a microdrill bit ... Maps of nose points (filled gray circles) and calcium events (filled red circles) in arena. Heat maps of the ...

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

While black holes ensnare scientists and public alike, their theoretical counterparts’ white holes remain a totally mysterious and controversial concept in astrophysics. The white holes, if they exist ...

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...

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 ...

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 white dwarf could be shedding matter and triggering the pulses observed by the researchers. As it circles closer and closer to the black hole, they hypothesize, those pulses speed up.