China completes second hot-fire test for new moon rocket, including engine restarts China conducted a rocket stage hot fire ...

Ursa Major revealed that Draper operates on non-cryogenic, non-toxic propellants and uses a closed catalyst cycle.

Colorado-based engine maker Ursa Major has secured a nearly $35 million contract from an undisclosed US defence company for ...

Ursa Major has been awarded a $34.9M contract from an undisclosed US aerospace and defence company to deliver Draper engines ...

Ursa Major was awarded a $34.9 million contract from an undisclosed U.S. aerospace and defense company to deliver Draper ...

The first model of the European Space Agency's (ESA) reusable rocket demonstrator Themis is standing at its launch pad in ...

With an avalanche of private space companies upon us, the number of engines meant to carry rockets and their cargo into space has grown rapidly over the past few years. This world is now dominated by ...

Using supersonic shockwaves for combustion, the groundbreaking design could allow aircraft to travel up to six times the ...