NASA’s fiscal 2020 budget request supports the ongoing X-57 Maxwell electric-propulsion and X-59 QueSST low-boom supersonic flight demonstrators, but some within the agency are concerned about future X-planes.

The statement comes in the aftermath of two 737 MAX 8 crashes in less than five months involving Lion Air and Ethiopian Airlines.

BAE has completed an upgrade for Australia’s Hawk trainers that has prepared the aircraft for possibly 21 more years of service.

Following up on the legacy of NASA’s aging Great Observatories may depend on breaking a cost spiral that has delayed the JWST and threatened the WFIRST.

Finalists will be announced in early September, with winners to be named during the 2019 Program Excellence banquet.

The concept would allow Air Force leaders to hedge against the risk of future technology breakthroughs and surprise enemies with unexpected new capabilities.

Rolls-Royce’s decision to pull the UltraFan from the NMA competition may be a good move by the UK engine-maker, but what happens now?

Acknowledging the reusable rocket technology pioneered by SpaceX and Blue Origin, the U.S. Air Force has dropped the word “expendable” from the name of its orbital launch services acquisition program.