
Engadget @engadget
NASA is going back to an old idea as it tries to get humans to Mars. It is teaming up with DARPA to test a nuclear thermal rocket engine in space with the aim of using the technology for crewed missions to the red planet: https://t.co/5zRFdeDNNS https://t.co/whuRIrQfj2 — PolitiTweet.org