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By NASA
Lockheed Martin Corporation NASA’s X-59 quiet supersonic research aircraft sits on the ramp at sunrise before ground tests at Lockheed Martin’s Skunk Works facility in Palmdale, California, on July 18, 2025. Following completion of low-speed taxi tests in July 2025 in Palmdale, California, medium- and high-speed taxi tests mark the final steps before the aircraft takes to the skies for the first time. The aircraft is scheduled to make its first flight later this year.
The X-59 is the centerpiece of NASA’s Quesst mission, which aims to demonstrate quiet supersonic flight by reducing the loud sonic boom to a quieter “thump.” Proving the X-plane’s airworthiness is the first step on the path to gathering data in support of the mission. The flight data will help inform U.S. and international regulators as they consider new noise standards for supersonic commercial flight over land.
Image Credit: Lockheed Martin Corporation
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By NASA
NASA A Titan-Centaur rocket carrying the Viking 1 spacecraft launches from Complex 41 at Cape Canaveral Air Force Station on Aug. 20, 1975. Viking 1 touched down on the red planet on July 20, 1976, becoming the first truly successful landing on Mars. Viking 1 was the first of a pair of complex deep space probes that were designed to reach Mars and to collect evidence on the possibility on life on Mars.
NASA’s exploration of Mars continues, with rovers exploring the planet’s surface and spacecraft studying from orbit. The agency’s Artemis missions will also lay the groundwork for the first crewed missions to Mars.
Learn more about Viking 1 and see the first photo it took upon landing.
Image credit: NASA
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By NASA
NASA/Cory S. Huston The Sun rises on the morning of July 31, 2025, ahead of NASA’s SpaceX Crew-11 mission launch from NASA’s Kennedy Space Center in Florida. The launch was postponed due to an unfavorable weather forecast. Teams are now targeting 11:43 a.m. EDT Friday, Aug. 1.
NASA astronauts Zena Cardman and Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov will launch to the International Space Station, where they will perform research, technology demonstrations, and maintenance activities.
Image credit: NASA/Cory S. Huston
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA/Jacob Shaw
NASA’s X-59 quiet supersonic research aircraft has officially begun taxi tests, marking the first time this one-of-a-kind experimental aircraft has moved under its own power.
NASA test pilot Nils Larson and the X-59 team, made up of NASA and contractor Lockheed Martin personnel, completed the aircraft’s first low-speed taxi test at U.S. Air Force Plant 42 in Palmdale, California, on July 10, 2025.
The taxiing represents the X-59’s last series of ground tests before first flight. Over the coming weeks, the aircraft will gradually increase its speed, leading up to a high-speed taxi test that will take the aircraft just short of the point where it would take off.
During the low-speed tests, engineers and flight crews monitored how the X-59 handled as it moved across the runway, working to validate critical systems like steering and braking. These checks help ensure the aircraft’s stability and control across a range of conditions, giving pilots and engineers confidence that all systems are functioning as expected.
The X-59 is the centerpiece of NASA’s Quesst mission, which aims to demonstrate quiet supersonic flight by reducing the loud sonic boom to a quieter “thump.” Data gathered from the X-59 will be shared with U.S. and international regulators to inform the establishment of new, data-driven acceptable noise thresholds related to supersonic commercial flight over land.
NASA’s X-59 quiet supersonic research aircraft taxis across the runway during a low-speed taxi test at U.S. Air Force Plant 42 in Palmdale, California, on July 10, 2025. The test marks the start of taxi tests and the last series of ground tests before first flight.NASA/Carla Thomas NASA’s X-59 quiet supersonic research aircraft moves under its own power for the first time at Lockheed Martin’s Skunk Works facility in Palmdale, California, on July 10, 2025. Guided by the aircraft’s crew chief, the event marks the beginning of taxi tests – a key milestone and the final series of ground tests before first flight.NASA/Carla Thomas Share
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Last Updated Jul 17, 2025 Related Terms
Aeronautics Aeronautics Research Mission Directorate Ames Research Center Armstrong Flight Research Center Commercial Supersonic Technology Glenn Research Center Integrated Aviation Systems Program Langley Research Center Low Boom Flight Demonstrator Quesst (X-59) Supersonic Flight Explore More
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Armstrong Flight Research Center
Aeronautics
Quesst
Quesst is NASA's mission to demonstrate how the X-59 can fly supersonic without generating loud sonic booms and then survey…
Integrated Aviation Systems Program
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By European Space Agency
Φsat-2, a miniature satellite, has completed its commissioning and has begun delivery of science data, using algorithms to efficiently process and compress Earth observation images, as well as detect wildfires, ships, marine pollution and more.
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