The discovery of a new unusually bright dead star leads astronomers to question assumptions about a type of cosmic radiation -- and pulsars themselves.
For the first time, a distant, pulsing neutron star was there for astronomers to study -- until it disappeared. Crave's Eric Mack explains the extreme forces hiding it from view.
If the two black holes meet, they could release as much energy as 100 million supernova explosions as they shatter their galaxy, a new study finds.
Its root cause still undetermined, a huge X-ray flare from the Milky Way's center has made NASA scientists sit up and take notice.
An X-ray telescope designed to hunt for black holes takes a look at the sun and helps NASA deliver an intense portrait of our closest star.
Anomaly no more? Radio observatories in Australia and Puerto Rico have both now picked up brief bursts of radio waves from beyond our galaxy.
A recently discovered and very unusual white dwarf star is so chilled out, it is essentially a giant floating piece of bling.
Newly measured distance to stellar debris in the northern sky links it more firmly to an explosion observers saw in 1181.
Seagate announces the shipment of its latest Pulsar XT.2 enterprise solid-state drive.
A new video released by the NASA-Goddard space centre shows the gamma rays collected by the Fermi Gamma-Ray Space Telescope on its orbital journey around Earth.