NASA’s sleek and quiet supersonic jet — which is built to reach speeds of up to 925 mph without producing a loud sonic boom— ...

After delays and concerns about progress, NASA and Lockheed Martin have announced that the experimental X-59 Quesst has taken ...

Lockheed Martin's revolutionary X-59 supersonic jet completes first test flight, designed to break sound barrier with quiet 'thump' instead of sonic boom.

NASA's experimental X-59 aircraft has successfully completed its first flight, demonstrating the ability to break the sound ...

The X-59 successfully completed its inaugural flight—a step toward developing quieter supersonic jets that could one day fly ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test ...

NASA test pilot Nils Larson flew the X-59 supersonic jet on its inaugural flight over California's Mojave Desert, validating ...

When it comes to highway sound barriers, pre-cast concrete has remained the industry standard because of a lack of acceptable, cost-effective alternatives. However, the Pennsylvania Turnpike ...

PERRYSBURG, Ohio — Construction on a new concrete sound barrier along I-75 in Perrysburg is underway, and for one local family, the project represents more than just an infrastructure upgrade. The ...

MATTYDALE, N.Y. — On your drive along I-81, you have probably seen the new sound barriers. Many are concrete, but others in the Mattydale area are transparent and acrylic. The Department of ...

There's no question that noise from cars, trucks and motorcycles traveling Interstate 26 creates a steady din that bothers many living in North Charleston's Northwood Estates neighborhood, and there's ...