NASA's Space Shuttle program was a great idea in concept, but flawed execution led to its demise. Here are the problems it ...

The spacecraft has been in LA since 2012, but now it's moving to a new permanent home at the California Science Center.

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.

After the Challenger tragedy, nobody wanted to see a film about five kids on an adventure in space.

What a beautiful legacy the Challenger crew left behind, writes Abby Schwent.

Todd Halvorson, a renowned space journalist who covered the shuttle era for FLORIDA TODAY, has died at age 68.

The Nobel Laureate was known for his magnetic personality and witty lectures that made even the most complex aspects of ...

None of the measures US officials are considering to protect people from biological research risks would have caught major incidents at two high-level US government laboratories.

Richard P. Feynman's famous quote celebrates curiosity and intellectual honesty, reminding us that embracing uncertainty is ...