The signal of NASA's Voyager 1 spacecraft -- the most distant human-made object -- has been spotted from Earth by…
Scroll down through the Lunar Atmosphere and Dust Environment Explorer infographic to learn about the mission!
J-2X Engine No. 10002 is test fired for the final time on the A-1 test stand at NASA’s Stennis Space…
Astronaut Chris Cassidy gets a workout on the advanced Resistive Exercise Device in the Tranquility node.
European Space Agency astronaut Luca Parmitano and Russian cosmonaut Fyodor Yurchikhin are pictured in a Russian Soyuz spacecraft.
NASA astronaut Chris Cassidy wears tele-operation gear consisting of a vest, gloves and visor to telerobotically test Robonaut 2's maneuvers.
European Space Agency astronaut Luca Parmitano, Expedition 36 flight engineer, works with the Biolab in the Columbus laboratory of the…
NASA astronaut Chris Cassidy wears tele-operation gear consisting of a vest, gloves and visor to telerobotically test Robonaut 2's maneuvers.
Astronaut Chris Cassidy gets a workout on the advanced Resistive Exercise Device in the Tranquility node.
Astronaut Chris Cassidy works on an Extravehicular Mobility Unit spacesuit.