A pair of twins have offered themselves up to science in order to study the effects of prolonged weightlessness with one twin in space and the other on earth.
A couple of astronauts on board the International Space Station are going for spacewalk Tuesday to replace a dead computer and get their orbiting home back up to full strength.
SpaceX is trying for a second time to launch a cargo delivery to the International Space Station on Friday.
The Air Force launched a new spy satellite Thursday from Cape Canaveral.
The International Space Station just put the trash out, so to speak, releasing its orbiting lab and leaving it with one less capsule on its hands.
Two American astronauts flew higher than Santa Tuesday as they took part in a rare Christmas Eve spacewalk to pop in a new pump for the space station’s cooling system.
Success in space Saturday after two astronauts removed an old space station pump, sailing through the first of a series of urgent repair spacewalks to revive a crippled cooling line.
There is trouble aboard the International Space Station and two astronauts will have to perform an emergency spacewalk to fix a bad pump on an external cooling system.
A who’s-who of NASA officials, astronauts, and former astronauts gathered at the Kennedy Space Center Saturday to get an up-close view of the last space shuttle to travel to space.
A spacewalk will most likely be necessary to fix an ammonia leak on aboard the International Space Station, the commander said Friday.