20 April 2010 --- The space shuttle Discovery is seen as it lands at the Kennedy Space Center in Cape Canaveral, Florida, on April 20, 2010.

20 April 2010 --- The space shuttle Discovery is seen as it lands at the Kennedy Space Center in Cape Canaveral, Florida, on April 20, 2010. Discovery and the STS-131 mission crew, NASA astronauts Alan Poindexter, commander; James P. Dutton Jr., pilot; Dorothy Metcalf-Lindenburger, Rick Mastracchio, Stephanie Wilson, Clayton Anderson and Japanese astronaut Naoko Yamazaki, all mission specialists, returned from their mission to the International Space Station. Photo credit: NASA/Bill Ingalls