NASA's scientists have explored the Alcubierre Drive, a theoretical propulsion system that could allow faster-than-light travel.
Autonomous robots resemble sci-fi exploration missions, paving the way for future human colonization of Mars.
NASA has experimented with optical tweezers and laser-based tractor beams.
NASA developed 3D printing technology for astronauts to create tools and spare parts aboard the ISS.
NASA uses artificial intelligence to help with autonomous spacecraft navigation, data analysis, and mission planning mirroring intelligent computers.