In continental North America, Alaska and Hawaii, NASA Television's Public, Education, Media and HD channels are MPEG-2 digital C-band signals carried by QPSK/DVB-S modulation on satellite AMC-3 ...

Speeding up messages from deep space to Earth, and vice versa, as well as increasing bandwidth, is crucial to NASA's plans to send astronauts to Mars. This is the first ultra-HD video ever ...