When a star suffered an untimely demise at the hands of a hidden black hole, astronomers detected its doleful, ululating…
A slim bridge of dark matter - just a hint of a larger cosmic skeleton - has been found binding…
[/caption] An ultraluminous x-ray source (ULX) previously spotted in the neighboring Andromeda galaxy by NASA's Chandra observatory has now been revealed…
[/caption] Astronomers using NASA's Chandra X-ray Observatory have reported record-breaking wind speeds coming from a stellar-mass black hole. The "wind", a high-speed…
[/caption] For the first time astronomers have located a pulsar – the super-dense, spinning remains of a star – nestled…
[/caption] Abell 2744, shown above in a composite of images from the Hubble Space Telescope, the ESO's Very Large Telescope…
Blinking spots of intense light are being observed all over the lower atmosphere of the Sun. Not just in the…