A flag that survived the 1986 Challenger explosion will be permanently displayed and unveiled at Colorado Springs' Challenger ...

Eileen Collins reflects on her time as the first female not only to pilot but also command a spacecraft. Here's her ...

The ISS feels impossibly far at 250 miles up, but lunar missions go 240,000 miles out - over 1000x the distance. It's a perspective shift that redefines what 'space travel' means.

Even still, according to a letter from the Smithsonian to Congress, the institute has been asked to work with NASA to prepare ...