NASA says shuttle mission is going swimmingly, despite strange debris and glitches.
Astronomers see supernova light reflecting off of space dust, providing a tool to see light from the initial explosion.
Astronauts wrangled with stubborn bolts during a marathon spacewalk to successfully attach a giant robot's twin arms.
Space shuttle Endeavour successfully docks at space station, setting off two weeks of orbital construction.
New Dextre space robot hailed as boon to the space station - not a threat to the need for astronauts.