These are the 15 most powerful rocket engines of all time, each ordered by their thrust at sea level. ... This high-powered Russian engine powers rockets such as the Proton-K, ...

Along with Proton and Soyuz, Voronezh is also involved in engine work for Russia’s next generation Angara and Soyuz-5 rockets. Related Tagged: Proton , Roscosmos , Russia , Soyuz ...

"Three Proton-M rockets will be dissembled and their second and third-degree engines replaced." The tampering may raise concerns beyond the confines Russia's space program as well.

The Proton rocket has been grounded since last summer, and the Soyuz has not flown since December, when its third stage engine failed and a Progress cargo spacecraft was lost.

ILS says Proton will no longer launch on Dec. 28, meaning the rocket will probably not return to flight this year. Credit: Roscosmos Defective engines may ground Russia’s Proton rocket for months.

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

A Russian rocket crash yesterday (July 1) was likely caused by an emergency shutdown of the booster's engines 17 seconds into the flight, according to news reports. The unmanned Russian Proton-M ...

Russia on Thursday successfully test-launched a new heavy-lift rocket from its Far Eastern space complex, a lift-off that comes after two aborted attempts earlier this week.