Russian space agency Roscosmos said early on Monday it has launched its heavy lift rocket Proton M carrying a Luch-5X relay satellite.

After six decades, Russia will build its final Proton rocket this year Proton had reliability issues and could not compete with SpaceX's Falcon 9.

The Proton is a family of Russian rockets that have been in use since 1965. The rocket line has lifted off more than 400 times, mostly to launch commercial and Russian government satellites.

Deputy Russian Prime Minister Dmitry Rogozin says that Proton-M rockets will be out of service for three and a half months because of engine problems.

It’s not much fun being a Russian rocket scientist at the moment. On Saturday they suffered the latest in a string of high-profile disasters, after a Proton-M rocket failed during the third ...

Russia's Proton-M booster rocket has failed and broken apart during a test launch, just months after a shake-up in the country's space agency that was meant to boost its dented image.

Russia has successfully launched a Proton-M rocket with a European communications satellite onboard from the Baikonur space center in Kazakhstan.

Russia's Proton rocket has been a workhorse booster since 1965, but some recent versions have been plagued by failures. See how the Proton rocket works in this SPACE.com infographic.

To be specific, the Proton-M — a booster rocket used for decades to carry commercial and military payloads — relies on a combination of unsymmetrical dimethylhydrazine (better known as heptyl ...

The video above is showing a Proton-M rocket crashing into the ground at the Baikonur Cosmodrome on Monday night. This was the sixth Proton-M failure since 2011. The rocket was supposed to carry ...

Russia launched their Proton rocket Tuesday morning local time, carrying three satellites for the GLONASS navigation system. However, liftoff from site 81/24 at the Baikonur Cosmodrome – which ...

PARIS — Russia’s Proton-M heavy-lift rocket and its Breeze-M upper stage, which placed a $300 million telecommunications satellite in a useless orbit Aug. 18, is preparing to launch three more ...