NASA's new spacecraft will help astronauts travel farther into the solar system. NASA's new spacecraft will help astronauts travel farther into the solar system. read more
One of the key departures from NASA's past crewed spacecraft - ISS notwithstanding - is the addition of two solar wings to power Orion's service module, which will house most of the vehicle's systems and main engine. NASA's Apollo capsules relied on fuel cells, which also power space shuttle systems in orbit today. read more