SpaceNuclear reactors on rockets may fuel future crewed trips to Mars NASA’s push to develop a rocket engine powered by a nuclear reactor could create a faster, lighter spaceship and cut the trip to Mars down to four months News
SpaceSmallest satellite ever paves way for planned interstellar fleet Breakthrough Starshot, the $100 million project to send tiny spacecraft to Alpha Centauri, successfully operated a mini-satellite in orbit for the first time News