Supernova blast provides clues to age of binary star system

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.

Japan battles to prevent nuclear meltdown

Japanese officials are fighting to prevent a meltdown at its Fukushima Daiichi nuclear plant.

Martian moon Phobos created by huge blast

Mars' largest moon, Phobos, may have been blasted off into space by some catastrophe on the planet's surface, say two different scientific studies.

X-ray blast blinds Swift space observatory

The most powerful X-ray blast ever detected from deep space temporarily blinded NASA's Swift space observatory last month.

Bomb-proof curtain expands during blast

A new material that gets thicker, not thinner, when stretched is being developed to provide better protection from bomb blasts.