Welcome to Edition 7.47 of the Rocket Report! Let’s hope not, but the quarrel between President Donald Trump and Elon Musk may be remembered as “Black Thursday” for the US space program. A simmering ...

NASA plans to send crewed missions to Mars over the next decade—but the 140 million-mile (225 million-kilometer) journey to the red planet could take several months to years round trip. Nuclear ...

Why chemical rockets hit a wall on the road to Mars Every Mars mission so far has relied on chemical propulsion, the same basic technology that lofts satellites and crew capsules from Earth. Chemical ...

NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft. It is an attempt to rewrite the basic rules of how far, how fast, and how ...