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 ...

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 ...

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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 ...