The "quiet" supersonic aircraft developed by NASA and Lockheed Martin has completed its first flight in California. Dubbed the X-59 Quiet SuperSonic Technology Aircraft, or Quesst, it is a sleek ...

Plane could help pave way for faster commercial air travel Aircraft built to break sound barrier with sonic 'thump' Designed to cruise at Mach 1.4 at altitude of 55,000 feet First test flight was ...

In brief: Microsoft's wallet-busting ROG Xbox Ally X has finally arrived, and it didn't take long for the community to start digging into the handheld. While a recent teardown has shown the device to ...

Two years after revamping its developer programs and pricing, X is expanding the closed beta of a pay-per-use plan for its API to more developers. The social network is accepting applications from ...

Links have proven to be a tricky thing when it comes to social media engagement. On platforms like Threads, data suggests that people often don't click the links in posts, and creators on X have ...

X's head of product shared that the site is experimenting with show new user data in order to restore trust on the platform. Credit: NICOLAS TUCAT/AFP via Getty Images Elon Musk's X dropped its legacy ...

This video features a dyno test of the BMW P65 V8 race engine, originally used in the BMW Z4 GT3. The session highlights measured power figures and the distinctive exhaust sound of this ...

As recently as the 1950s, only a select few American automobiles were available with a dual exhaust system. Over the course of about a decade, that all changed with the emergence of the muscle car. To ...

This video shows a Porsche 718 GT4 RS on the dyno. The test compares the sound of the JCR exhaust with the Akrapovic system. The footage captures engine response and performance during runs.

Chicago residents risk daily lead exposure from toxic lead service lines, the underground pipes that connect buildings to the city’s water supply. The city has the most lead service lines in the ...

SpaceX’s third shot at Starship's 10th test flight Tuesday succeeded after poor weather conditions forced the company to halt liftoff from its South Texas site Monday. Starship made it to space, ...