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

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

Astronauts on board China's "heavenly palace" space station have demonstrated a new way of making rocket fuel products and ...

"It has a huge amount of energy potential," says John Rusek ... Hydrogen peroxide, or H2O2, also offers promise in developing low-cost, nontoxic rocket fuels. The chemical differs from water only in ...

Space is the only place where rocket fuel could be more precious than water ... which is used to turn solar energy into a supply of breathable air. Experts have generally found that electrolysis ...

Breathing New Air Chinese astronauts claim to have created rocket fuel on board the country's Tiangong space station using a ...

The trials verify that the fuel can survive the harsh environment of a nuclear rocket reactor. Up until now, the main way of propelling spacecraft has been through chemical rockets. To be fair ...

Boron is the fifth lightest element, has a high intrinsic energy density, and is cheap, abundant and stable — making it of interest as a solid rocket fuel and as an additive to jet fuels to ...

After lift-off, the rocket quickly burns through its fuel. Once the tanks are empty, they break away from the rest of the rocket and fall back to Earth. When the astronauts reach the ISS ...