Science and technology

Associated Press
Sandra Anderson, left, widow of astronaut Michael P.Anderson, and Evelyn Husband-Thompson, widow of Colonel Rick Husband, space shuttle Columbia commander, embrace in front of a memorial wreath during a remembrance ceremony on the 10th anniversary of the loss of space shuttle Columbia crew at the Kennedy Space Center Visitor Complex,  Friday, Feb. 1, 2013, in Cape Canaveral, Fla. (AP Photo/John Raoux)

View gallery

500 photos

Astronomy, meteorology, environment, archaeology, electronics, computers and gadgets

View Comments