A test version of Orion is dropped from a C-17, while flying 13,000 feet above the Arizona desert at the U.S. Army's Yuma Proving Ground on April 23.
Today: Extravehicular Activity (EVA) #26: Today, Mastracchio (EV1) and Swanson (EV2) successfully performed an EVA to remove and replace External (EXT)-2 Multiplexer/Demultiplexer (MDM).
Outside the International Space Station, Expedition 39 Flight Engineers Rick Mastracchio and Steve Swanson of NASA conducted a spacewalk April 23 to replace a backup computer relay box on the station's S0 (s-zero) truss.
Our plan is simple: we intend to contact the ISEE-3 (International Sun-Earth Explorer) spacecraft, command it to fire its engines and enter an orbit near Earth, and then resume its original mission - a mission it began in 1978.
A new analysis of NASA satellite data shows Africa's Congo rainforest, the second- largest tropical rainforest in the world, has undergone a large-scale decline in greenness over the past decade.
Today, April 22, 2014 is Earth Day, and what better way to celebrate than taking a look at our home planet from space.
