Boeing and Lockheed Martin's joint ULA venture uses the Russian-made RD-180 engine. Musk suggested SpaceX, which designs its own rocket engines, wouldn't be affected. Elon Musk recently addressed the ...

Russia is once again trying to vault itself to the front of the space race, this time with a plasma engine that officials say could reach Mars in roughly a month. If the technology performs as ...

Here’s what you’ll learn when you read this story: Being more efficient and more powerful than chemical rockets, plasma engines are seen as the future of human spaceflight. While NASA-backed plasma ...

Being more efficient and more powerful than chemical rockets, plasma engines are seen as the future of human spaceflight. While NASA-backed plasma rocket projects aim for travel times to Mars be just ...