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

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

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

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

Credit: Rocket Lab A NASA-funded science mission seeks to get ... but it lost its chance just a few hours into the flight because of a fuel leak. The company will try again this fall with its ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...