Data from NASA's Chandra X-ray Observatory has revealed faint remnants of a supernova explosion and helped researchers determine Circinus X-1 -- an X-ray binary -- is the youngest of this class of astronomical objects found to date.
Japanese officials are fighting to prevent a meltdown at its Fukushima Daiichi nuclear plant.
Mars' largest moon, Phobos, may have been blasted off into space by some catastrophe on the planet's surface, say two different scientific studies.
The most powerful X-ray blast ever detected from deep space temporarily blinded NASA's Swift space observatory last month.
A new material that gets thicker, not thinner, when stretched is being developed to provide better protection from bomb blasts.