There are some potentially valid criticism about the Nuclear Salt Water Rocket (NSWR). The criticisms highlight real physical ...

AI gives a thumbs up to Brett Bellmore innovative modifications to Robert Zubrin’s Nuclear Salt Water Rocket (NSWR).

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds ...

On Episode 152 of This Week In Space, Rod Pyle and Tariq Malik host Dr. Robert O'Brien, Director of the Universities Space ...

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time ...

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey. This latest batch of tests was conducted at the compact fuel element ...

The new plasma rocket engine is poised to accelerate spacecraft ... In contrast, in our engine, the working body is charged particles that are accelerated by an electromagnetic field, which ...

An asteroid strike on Earth could exceed the destructive power of an all-out nuclear war, triggering ... [+] earthquakes, tsunamis and wildfires that crisscross continents. (Illustration by Tobias ...

The Sunbird concept is for the fusion-powered ‘tugs’ to be permanently based in space, able to dock with spacecraft and ...