The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly cosmic radiation, while isolation gnaws at their minds and microgravity ...

Blue Origin has test fired its New Glenn rocket engine as it makes final preparations for the launch of NASA’s ESCAPADE mission involving twin Mars orbiters. The static test fire of the heavy-lift ...

To an untrained eye, the aircraft engine sitting outside of a Cincinnati facility in December might have looked like standard hardware. But NASA and GE Aerospace researchers watching the unit fire up ...