Piers Sellers, Space Shuttle Astronaut and NASA Climate Scientist, Dies at 61

Piers Sellers, a British-born climate scientist and NASA astronaut who launched on three space shuttle missions, died on Friday (Dec. 23). He was 61. By Robert Z. Pearlman.
Read more: http://www.space.com/35139-astronaut-piers-sellers-a-nasa-climate-scientist-dies-at-61.html?source=Snapzu