11 May 2013, 06:00 PM ET
A spacewalk appeared to stop a leak of ammonia coolant fluid, but only time will tell, officials said.
11 May 2013, 04:08 PM ET
See photos of the Expedition 36 crew's mission to the International Space Station in 2013.
11 May 2013, 01:16 PM ET
The measure appears to have worked, but only time will tell if the fix is permanent.
11 May 2013, 11:30 AM ET
Two NASA astronauts are performing an emergency spacewalk today (May 11) outside the International Space Station, a feat of engineering planning.
11 May 2013, 10:19 AM ET
See photos from an emergency spacewalk outside the International Space Station to fix an ammonia leak on May 11, 2013.
11 May 2013, 10:03 AM ET
NASA astronauts Chris Cassidy and Tom Marshburn have found no smoking gun in the hunt for an ammonia leak outside the space station.
11 May 2013, 06:01 AM ET
Two NASA astronauts will perform an emergency spacewalk to fix a coolant leak today (May 11). NASA's webcast begins at 7 a.m. ET.
10 May 2013, 05:28 PM ET
Two NASA astronauts are expected to float outside the space station in order to fix a coolant leak.
10 May 2013, 04:37 PM ET
Astronauts will perform an EVA on Saturday May 11th, 2013 to replace a faulty pump that ground controllers believe is behind the ammonia leak detected on Station. Chief flight director Norm Knight explains the procedure.
10 May 2013, 03:53 PM ET
Droplets of liquid are seen floating out the the International Space Station on May 10th, 2013. The leak is emanating from the station's P6 truss.
10 May 2013, 12:12 PM ET
NASA EDGE takes the role of investigator to an entirely new level as they examine three of NASA's Technology Demonstration Missions.
10 May 2013, 12:02 PM ET
NASA EDGE, or at least part of the NASA EDGE team, interviews Lesa Roe about NASA Langley's role in human Space exploration.
10 May 2013, 12:01 PM ET
NASA EDGE talks Orion and its preparation for Exploration Flight Test-1 [EFT-1]. The Co-Host explores an interesting partnership.
10 May 2013, 11:53 AM ET
Find out how NASA is helping students fly their own satellites. Plus, the Co-Host pitches his very own CubeSat concept.
10 May 2013, 11:44 AM ET
NASA EDGE talks to Sarah Daugherty, a Wallops Flight Facility Test Director, about what it takes to manage a successful rocket launch.
10 May 2013, 10:28 AM ET
There are no current plans to evacuate the six-person crew aboard the ISS. NASA has confirmed it has an ammonia leak.
10 May 2013, 10:20 AM ET
Astronauts discovered a potentially serious leak on their orbiting laboratory.
10 May 2013, 10:05 AM ET
Two NASA astronauts may take an emergency spacewalk on Saturday (May 11) to repair a coolant leak on the International Space Station.
10 May 2013, 09:15 AM ET
This image shows the Apollo 1 crew in training.
10 May 2013, 07:00 AM ET
NASA noticed a leak in this same cooling loop back in 2007.
10 May 2013, 01:32 AM ET
The tantalizing first teaser trailer for the sci-fi film 'Gravity' promises a crazy ride.
09 May 2013, 10:13 PM ET
NASA will honor Sally Ride on May 20 during national tribute to the first American woman in space.
09 May 2013, 07:58 PM ET
The ammonia system is one of several cooling loops that circulate liquids throughout the International Space Station.
09 May 2013, 05:46 PM ET
Three spacewalks were conducted by Expedition 24 Flight Engineers Doug Wheelock and Tracy Caldwell Dyson to remove and replace a failed ammonia pump that disabled one of the station's 2 cooling loops.
09 May 2013, 04:03 PM ET
Vital ammonia coolant is leaking from the International Space Station, NASA officials say.