Amy Shira-Teitel

For John Glenn, being the first American to orbit the Earth on Feb. 20, 1962 was a stroke of luck.

The 'plugs-out test' was considered routine and non-hazardous until it claimed the lives of the Apollo 1 crew on Jan 27, 1967.

NASA's first Saturn V launch was as impressive as it was daring.

NASA's next spaceship, the Orion spacecraft, just might land more like a helicopter than a vintage space capsule.

JWST's solid-state recorders have been installed.