Weeks before leaving office, President Biden opened a new door for missile proliferation by allowing the transfer of ...

A British start-up has unveiled an ambitious project that could transform space exploration. Their idea? Using nuclear fusion ...

NASA and DARPA have partnered to develop a demonstration nuclear-powered rocket that could speed travel to Mars and make ...

Engineers are exploring propulsion methods that could enable longer-distance travel ...

Memories of radiation in Europe after the 1986 accident provide a stark lesson for those supporting nuclear power in Australia ...

"Vulcan certification adds launch capacity, resiliency and flexibility needed by our nation's most critical space-based ...

A German startup named Isar Aerospace will try to launch its first rocket Saturday, aiming to become the first in a wave of ...

There are no customer satellites aboard the first Spectrum test flight. The rocket will climb into a polar orbit from Andøya ...

A rocket the Centennial company has worked on for years is cleared for liftoff on billions of dollars worth of military space ...

The slow race of getting NASA's Space Launch System rocket pieced together for next year's Artemis II moon mission jumped a ...

The phone rang ominously in the office of Prof Satish Dhawan at Caltech. After nearly nine years as director of the ...