Milestones like Sierra Space’s Joint Test 10B are needed to confirm Dream Chaser’s “ability to handle specialized payloads ...

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

The space shuttle and International Space Station are set to launch onto coins to celebrate advancements made by Texas and ...

Sierra Space officials announced the autonomous spacecraft successfully completed and passed testing milestones in ...

As we reflect on the Challenger mission, 39 years later we want to know, what memories do you have of the shuttle, its crew, ...

Beloved Concord teacher Christa McAuliffe, the first civilian teacher ever chosen for a space mission, was one of seven crew members killed in the disaster.

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28 ...