Scott Kelly completes first spacewalk, sets US flight record

Scott Kelly completes first spacewalk, sets US flight record

Kelly and Lindgren returned to the space station's airlock where repressurization began about 3:19 p.m ET, marking the official end of the spacewalk.

NASA astronauts all set for spacewalk today

NASA astronauts all set for spacewalk today

Two US astronauts will perform a spacewalk outside the International Space Station (ISS) on Wednesday.

US astronaut misses fresh air halfway through year-long mission

US astronaut misses fresh air halfway through year-long mission

Halfway into a year in space -- the longest ever attempted at the International Space Station -- American astronaut Scott Kelly said Monday he misses fresh air but is adapting well.

Spacewalk to go ahead on Sunday despite helmet leak: NASA

Spacewalk to go ahead on Sunday despite helmet leak: NASA

Two US astronauts will go ahead with a spacewalk this weekend despite a flaw in one of the spacesuits that allowed water to seep into the helmet, the US space agency NASA said Friday.

Astronaut `mechanics` grease gear at space station

Astronaut `mechanics` grease gear at space station

Two US astronauts transformed into spacewalking mechanics on Wednesday as they floated outside the International Space Station to grease a robotic arm and help prepare parking docks for commercial crew capsules.

US astronauts begin spacewalk to lay cable at station

Two US astronauts wearing what NASA assured are "healthy" spacesuits began a spacewalk Saturday to lay cable outside the International Space Station, after an equipment failure briefly delayed the mission.

US astronauts conduct spacewalk to repair ISS

US astronauts conduct spacewalk to repair ISS

A pair of American astronauts stepped outside the International Space Station for a spacewalk to do repairs and upkeep at the orbiting outpost, NASA said.

NASA astronauts make second spacewalk; repair faulty ISS cooling system

Two US astronauts successfully fixed a faulty cooling system on Tuesday working outside the International Space Station (ISS).

US astronauts begin spacewalk for station repairs

Two US astronauts today stepped outside the International Space Station for the first of three spacewalks to fix a broken equipment cooling system, NASA said.

Rare moon rock found on earth

Scientists have stumbled upon tranquillityite, a mineral considered unique to the moon.