Enceladus is home to a global subsurface ocean that sprays plumes of ice from its south pole.

SpaceX and other new players in the A&D field may change the way heritage providers do business.

Deep-space flight time and expense could be greatly reduced through the use of nuclear rocket engines and make Mars exploration more feasible.

For the foreseeable future, national security space launches will keep the United Launch Alliance and enginemaker Aerojet in business. But the outlook down the road is full of change and opportunity, as Blue Origin plans to build a new launch vehicle and test facility in Florida and will team up with ULA on a new Vulcan rocket.

Republican lawmaker says NASA shortchanged itself in delaying the first manned Orion flight.

Aerojet’s offer for ULA falls on deaf ears, leaving rocket maker without a ride in EELV program.