On Dec. 24, 2013, NASA astronaut Mike Hopkins, Expedition 38 Flight Engineer, participates in the second of two spacewalks, spread over a four-day period, which were designed to allow the crew to change out a degraded pump ...
Astronauts removed an old space station pump Saturday, sailing through the first of a series of urgent repair spacewalks to revive a crippled cooling line.
A famous picture in the English edition of Newton's "Principia" shows cannon balls being fired from the top of a mountain. If they go fast enough, their trajectory curves downward no more steeply than the Earth curves away ...
ESA astronaut Alexander Gerst tests a spacesuit at NASA's Johnson Space Center in Houston, USA. This is the first time Alex donned a replica of the Extravehicular Mobility Unit as used on the International Space Station.
Space station astronaut Rick Mastracchio may get his Christmas wish for a spacewalk or two because of a broken cooling system.
The astronauts aboard the International Space Station dimmed the lights, turned off unnecessary equipment and put off science work Thursday as NASA scrambled to figure out what's wrong with a key cooling unit.
NASA's Orion spacecraft is just about ready to turn up the heat. The spacecraft's heat shield arrived at the agency's Kennedy Space Center in Florida Wednesday night aboard the agency's Super Guppy aircraft.
The private US company SpaceX Monday postponed the launch of a rocket carrying a telecoms satellite.
Three nanosatellites, known as Cubesats, are deployed from a Small Satellite Orbital Deployer (SSOD) attached to the Kibo laboratory's robotic arm at 7:10 a.m. (EST) on Nov. 19, 2013.
An F/A-18 research jet simulated various flight conditions that NASA's Space Launch System may experience as it makes its way from the launch pad to space, to evaluate the rocket's flight control system. The tests are helping ...