Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

NASA and General Atomics tested the fuel by exposing it to temperatures up to 3,000 Kelvin (4,940 Fahrenheit or 2,727 Celsius ...

Russia's state-owned Rosatom announced a prototype plasma engine which could speed up travel to other planets.

The first of two vessels carrying 1,000 tons of a Chinese-made chemical that could be a key component in fuel for Iran’s ...

STORY: It’s supposed to take American astronauts back to the Moon. But NASA’s giant new rocket has been dogged by delays and ...

ispace's Resilience lander launched on Jan. 15 atop a SpaceX Falcon 9 rocket, along with Firefly Aerospace's Blue Ghost lander. It is taking an energy-efficient, circuitous route to the moon, and only ...

The development of the engine is expected to make interplanetary trips much faster and expand humanity's access to worlds ...

To align with revisions to the Artemis program and cost expectations, we informed our Space Launch Systems team of the ...

Rosatom scientists have developed a laboratory prototype for a plasma electro-reactive rocket engine based on a magnetic ...