American defense contractor Raytheon said it conducted four tests of the Highly Loaded Grain (HLG) solid propellant tech that ...

The rocket engine has come a long way - from fire arrows in ancient China to massive boosters capable of launching humans to Mars. For centuries, rocket technology evolved in small, incremental steps, ...

Spacetech startup EtherealX claims to have learned from SpaceX's Falcon 9 failures and built its own technology to make ...