As the first major piloted NASA X-plane to fly in a generation and the first crewed, purpose-built U.S. high-speed research aircraft since the X-15 of the 1960s, the X-59 low-boom ...

NASA's X-59 successfully reduced sonic booms from thunder-level 105 decibels to whisper-quiet 75 decibels, potentially ending the 50-year supersonic flight ban.

Can supersonic flight ever return to the skies in a way that’s quiet, sustainable, and legal over land? That’s the question NASA hopes to answer with its sleek, needle-nosed experimental jet, the X-59 ...

NASA has revealed more detail about the recent first flight of its X-59 Quesst supersonic demonstrator jet, a milestone the agency describes as demonstrating its continued ability to manage ...

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For decades, flying faster than the speed of sound has meant speeding across the skies in an aircraft that creates a powerful sonic boom -- a huge noise that travels down to the ground below like a ...

LE BOURGET—Despite President Trump’s recent executive order directing the FAA to lift the long-standing ban on overland supersonic flight, the X-59 low boom demonstrator remains highly relevant, says ...