This Week at NASA: Expedition 51-52 Takes Flight, Earth Day and More “On April 20, Expedition 51-52 Flight Engineer Jack Fischer of NASA and Soyuz Commander Fyodor Yurchikhin of the Russian Space Agency, Roscosmos launched to the International Space Station aboard a Soyuz spacecraft, from the Baikonur Cosmodrome in Kazakhstan. About six-hours later, the pair arrived at the orbital outpost and were greeted by station Commander Peggy Whitson of NASA […]

Marc’s Note: The video “One Earth” by Fiona Conn won NASA’s Earth Day Video Contest. NASA’s Earth Observatory blog latest post features all the entries.

Challenger Center and Green Trail Energy Bring Power to Washington (updated with new photos) “This week in Washington, DC thousands of people will descend on the National Mall to see a variety of clean energy ideas as part of Earth Day. One of the pieces of technology on display is co-sponsored by the Challenger Center for Space Science Education. Formally known as the GSW-7000 this device is a self-contained trailer […]