Despite a problem with the rocket's second or third stage, one of which apparently underperformed, the Proton's Breeze-M upper stage was able to compensate with a longer burn sequence to insert ...

A Russian 3-stage Proton rocket blasts into the sky in 2000. Credit: NASA Text ... The first Proton rocket launched in 1965, nearly 57 years ago, ...

A Russian Proton rocket failed Thursday (May 15), destroying an advanced $200 million communications satellite. Skip to main content. Open menu Close menu. Space. Search. Search Space.

The Breeze-M upper stage of Russia’s Proton heavy-lift rocket on Dec. 9 failed for the third time in 16 months, placing a telecommunications satellite into a too-low orbit.

It is hoped that the Angara A5 rocket can replace the venerable Proton booster, which is more than half a century old and in recent years has had reliability issues. But the long-running ...

PARIS — Russia’s Proton rocket will return to service at the end of December to launch a large commercial telecommunications satellite following a government inquiry that found the vehicle’s ...

Russia launched their Proton rocket Tuesday morning local time, ... Pad 81/24 was first used in 1967, for a Proton-K launch with a Blok-D upper stage which failed to orbit a Soyuz-L1 test flight.

Thursday’s launch began with ignition of the six RD-276 engines powering Proton’s first stage. All four stages of the rocket, including the Briz-M, burn hypergolic propellant: unsymmetrical ...

NASA wants to evaluate recent efforts to stop a small but persistent air leak in the Russian segment of the space station.

PARIS — The Breeze-M upper stage of Russia’s Proton heavy-lift rocket on Dec. 9 failed for the third time in 16 months, placing Gazprom Space Systems’ Yamal 402 telecommunications satellite ...

The upper stage of the Proton-M carrier rocket with Russian Defense Ministry's satellite has successfully separated from the third stage, the ministry's press service said on Tuesday.

PARIS—The Breeze-M upper stage of Russia’s Proton heavy-lift rocket on Dec. 9 failed for the third time in 16 months, placing Gazprom Space Systems’ Yamal 402 telecommunications satellite ...