The X-59 isn't 'thumping' yet.

NASA’s X-59 quiet supersonic aircraft conducted its historic first-ever flight. See the flight highlights here. Credit: NASA ...

The NASA X-15 rocket plane reached speeds of Mach 6.7 and altitudes of 300,000 feet, flying to the edge of space and back.

NASA's experimental supersonic X-59 jet designed to travel faster than the speed of sound is preparing for its second flight ...

NASA says the X-59 returned to flight after a cockpit warning that cut short its second sortie proved to be a false positive.

NASA's X-59 supersonic jet ended its second test just nine minutes into flight, ending the one-hour event almost as soon as it began because of a system warning. Credit: NASA / Jim Ross Nothing seemed ...

NASA's experimental supersonic X-59 jet designed to travel faster than the speed of sound is preparing for its second flight ...

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NASA's powerful Launch Abort System, designed to outrun an exploding rocket, is the result of years of work from scientists ...

NASA told the owner to deliver a message to the cat on behalf of the Artemis 2 crew.