President Donald Trump said Air Force pilots told him a mysterious round object flew past an F-22 fighter jet at three times ...

Donald Trump said pilots told him a round UFO passed an F-22 jet at three times its speed, pledging to investigate secret ...

Europe's Prometheus methane-fueled rocket engine has successfully completed repeated hot-fire tests with multiple ignitions ...

NASA is putting $500,000 on the line in a new competition to accelerate the development of advanced electric rocket engines ...

NASA is researching nuclear engines that could shorten crewed flights to Mars to 45–60 days and expand the capabilities of ...

The administration of US President Donald Trump has shared new classified documents and images of UFOs, which the military ...

Blue Origin's Northstar engine delivers 715,000 pounds of thrust, weighs 30% less than BE-4, and uses additive manufacturing.

By modeling the James Webb Space Telescope’s tiny movements, a new technique can reveal up to 15 times fainter alien worlds ...

GE Aerospace (NYSE: GE) has received orders to supply eight LM2500 marine gas turbine engines for the U.S. Navy’s next two ...

Shield AI has demonstrated a full-scale prototype of its ambitious X-BAT jet-powered combat drone for the first time. The ...

If one were to seriously attempt to develop the Aura Machines that appear in 'Aura Battler Dunbine' not through occultism or ...