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.
As a white dwarf in the final throes of its life span, a dying star throws off a nebula known poetically -- if not entirely accurately -- as the 'Ghost of Jupiter'.
An image captured by the Hubble telescope shows a galaxy in the process of being devoured by a bigger galaxy nearby.
Newly measured distance to stellar debris in the northern sky links it more firmly to an explosion observers saw in 1181.
A faint cometary globule nebula 1,300 light-years from Earth has been revealed in glorious detail through the Very Large Telescope.
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.
Timey-wimey, wibbly-wobbly: scientists reckon satellites and dead stars could hold the key to the mystery of dark matter.
The discovery of a new unusually bright dead star leads astronomers to question assumptions about a type of cosmic radiation -- and pulsars themselves.
All other new iPhones will pale in comparison to the Falcon luxury iPhone 6, a gold-plated beast with a massive rock attached to the back.
Astronomers discover what could be a supernova survivor, a white dwarf star that may have defied a fiery death.