Peggy Whitson, most experienced U.S. astronaut, touts need for commercial spaceflight and private space stations

Retired NASA astronaut Peggy Whitson, who holds the document for the most time spent in orbit…

A spacewalk, a SpaceX launch, and a last-minute abort cap busy day in space

SpaceX effectively introduced two SES broadband communications satellites from Cape Canaveral in Florida on Friday the…