NASA's experimental X-59 jet breaks sound barrier twice, reaching Mach 1.4 in step toward 'quiet supersonic' technology Live Science 13 June 2026 at 14:00 NASA and Lockheed Martin's experimental X-59 aircraft has broken the sound barrier twice, achieving a top speed of Mach 1.4. The feat could set the stage for "quiet" supersonic flight.
Ever have a scary HR meeting on your calendar? That's how the Artemis 3 crew found out their assignments Space By: jdinner@space.com (Josh Dinner) 12 June 2026 at 23:00 NASA took an unconventional approach to informing the astronauts of Artemis 3 about their crew assignments.