A unique space plane concept has the potential to evolve into a vital space science laboratory for European Space Agency microgravity research at the edge of space, SPACE.com has learned. The new ...
The North American X-15 was built to flirt with the edge of space, not to cross it by accident. Yet on a research mission labeled Flight 90, a routine test profile slipped just far enough out of ...
Synopsis: The X-20 Dyna-Soar was a Cold War-era attempt to build a reusable, piloted, winged spaceplane that could ride a booster into space, “skip” along the edge of the atmosphere at hypersonic ...