Endeavour departs Kennedy Space Center for the final time in this image captured by Zero-G News photographer Mike Killian.
NASA's Amazing Daily Image
Katherine Johnson at NASA Langley Research Center
NASA research mathematician Katherine Johnson is photographed at her desk at Langley Research Center. Born on Aug. 26, 1918, in White Sulphur Springs, WV, Johnson worked at Langley from 1953 until her retirement in 1986, making critical technical contributions which included calculating the trajectory of Alan Shepard's historic 1961 flight. Read More