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

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 ...

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

Harley-Davidson is one of the manufacturers that has taken giant strides forward in engine tech, and its Milwaukee-Eight ...

According to Timothy Wright of the International Institute for Strategic Studies (IISS), the Russians continue to face ...

the rocket’s second-stage engine. The company has also conducted static fires of Stage-2 and Stage-3 solid motors, validated the upper-stage liquid engine Raman-II, and completed reaction ...

While the 1950s was a time of truly unusual and fast-paced innovation in military aerospace, one of the more bizarre projects ...

With the Rocket 3, Triumph had us at 166 lb.-ft. of torque. Rider aids, quality components, and real-world livability keep us coming back for more.

He has no hope that liquid-fuel rocket engines (“a remarkable chemical processing plant”) will ever get spaceships into space. The trouble with liquid-fuel engines, says Ritchey, is their ...

The Long March 3B model, developed by ... Propelled by liquid-propellant engines, the rocket has three stages and four 2.25-meter-wide side boosters, and weighs 456 metric tons when filled with fuels.