Lucas was director of the Marshall Space Flight Center in Huntsville when the Challenger exploded on Jan. 28, 1986, just 73 seconds after liftoff from Cape Canaveral, Florida. It was the deadliest U.S ...

NASA astronauts Zena Cardman, who was originally slated to be commander but would have been making her first spaceflight, and Stephanie Wilson, a veteran of three space shuttle flights, were pulled ...

The success of SpaceX and other private-sector space firms is throwing up hard questions about America's "great national ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11.

The is the 16th launch ... NASA astronauts Zena Cardman, who was originally slated to be commander but would have been making her first spaceflight, and Stephanie Wilson, a veteran of three space ...

It would be 32 months before another shuttle left a launch pad. Within days, NASA concluded two rubber ... pressure to keep the shuttle flights on schedule compromised safety, reported Florida ...

It's been 39 years since the Challenger space shuttle, carrying seven ... them in 1986 and an ambitious schedule for the year ahead, NASA was preparing to launch the Challenger on its 10th flight ...