Jeff Thornburg helped turn a government research project into SpaceX’s most powerful rocket engine. Now, he’s trying to do ...

Plasma jet engines promise a future of fuel-free, electrically driven flight, but the technology faces a stubborn obstacle ...

Pulsar Fusion achieved what it calls a world’s first on March 25, 2026, firing up plasma inside its Sunbird nuclear fusion ...

UK-based Pulsar Fusion announced it has successfully achieved first plasma in its Sunbird nuclear fusion rocket exhaust system. The demonstration, a world’s ...

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to ...

SEOUL, South Korea — North Korean leader Kim Jong Un observed a test of a high-thrust, solid-fuel engine test and hailed it as a development to boost the country's strategic military capability, state ...

Pulsar Fusion achieves first plasma in Sunbird system, advancing nuclear fusion propulsion for faster space travel.

UK space propulsion company Pulsar Fusion has conducted the first test of a prototype exhaust system for a nuclear fusion rocket engine that could dramatically cut transit times for missions to Mars ...

Space propulsion company Pulsar Fusion has achieved “first plasma” in its Sunbird nuclear fusion rocket, designed to propel rockets faster than any object has ever traveled.

Russia is quietly testing a new plasma propulsion system that, if it performs as claimed, could dramatically change how long it takes to travel to Mars. Early results suggest a leap in speed and ...