This claim was, in fact, true. McCandless was, indeed, the first astronaut to perform an untethered spacewalk on Feb. 7, 1984 ...

According to NASA Blueford also attended the University of Pennsylvania, Wharton School of Business. Bluford's first flight — STS-8 aboard Challenger — soared into space on a rainy August ...

But that was never likely. NASA’s institutional sorrow runs deep—back far before the Challenger and Columbia disasters, to ...

NASA released McAuliffe's lesson notes and practice videos several years after the shuttle disaster. Her lost lessons are now available on the Challenger Center website. Here are the eight science ...

U.S. Rep. Mike Garcia — the last Republican congressman anchored in heavily Democratic Los Angeles County — has conceded to ...

NASA has decided that astronauts Suni Williams ... The decision was heavily influenced by the lessons learned from the Challenger and Columbia space shuttle disasters, both of which were caused ...