NASA is developing Space Reactor 1, a nuclear electric spacecraft designed to move cargo toward Mars with far greater ...

Decades ago, scientists developed a radical concept that could send humans to Mars in just 10 days using nuclear propulsion. The idea, known as Project Orion, relied on controlled nuclear explosions ...

Nasa is developing ways to use nuclear power to send spacecraft to their destinations. Nuclear propulsion could greatly reduce the journey time to Mars, perhaps cutting a voyage of more than six ...