MOSCOW (Sputnik) - Russia's Energomash rocket engine manufacturer, which is part of state space corporation Roscosmos, has started to adapt RD-180 engines, which have been in use for US Atlas carri

BENGALURU (Sputnik) - The engine for the second stage of the Soyuz-2 rocket using the new naphthyl rocket fuel instead of kerosene was successfully tested, a spokesperson for the United Engine C