ScienceISS astronauts take a stroll in space to stow away broken ammonia pump Astronauts Reid Wiseman and Alexander Gerst, from NASA and ESA respectively, made their first spacewalk outside of the International Space Station on Tuesday to do maintenance work.by Rhodi Lee
ScienceThis selfie by NASA astronaut Rick Mastracchio is out of this world... literallyby James Maynard
ScienceAstronaut Luca Parmitano 'near-drowning' accident during spacewalk was preventable, NASA acknowledgesby James Maynard