Engineers developed an engine prototype which could reach unprecedented speeds, cutting down interplanetary travel time.

This 3D printing technology could allow astronauts to manufacture satellite engines in space, eliminating the need for Earth-based launches.

In 2023, Sierra Space announced the VR35K-A had completed engine component testing, which allowed the company to advance to the full engine hot fire testing campaign. Next, Sierra Space will continue ...

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

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

ULA hoped to launch as many as 20 missions in 2025, with roughly an even split between its new Vulcan rocket and the Atlas V ...

Russian scientists have announced the development of a plasma-powered rocket engine that could potentially reach Mars within ...

Russian scientists have unveiled an ambitious new plasma engine that could drastically cut the travel time to Mars, reducing ...

While the midair explosion of the SpaceX's Starship rocket made for an unsuccessful flight test it also made for an unforgettable optical experience in the Caribbean. The launch marked the seventh ...

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