NASA's Lunar Laser Communications Demonstration is a novel test of next-generation communications tech. See how the system works in this SPACE.com infographic.
See how NASA's Tracking and Data Relay Satellites comsat constellation works in this SPACE.com Infographic.
Japan's H-2 Transfer Vehicles are disposable cargo ships that carry supplies to the International Space Station.
President Barack Obama's 2013 budget proposal for NASA offers only a modest cut overall, but bites deep into Mars funding and planetary science.