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

The Sound Barrier is a four-episode series where we explore the limits of hearing and the ways we can break through.

After delays and concerns about progress, NASA and Lockheed Martin have announced that the experimental X-59 Quesst has taken to the skies. It was an unannounced flight, but the companies did release ...

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

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

This week, researchers published LIGO findings that hint at the existence of second-generation black holes. Astronomers captured a spectacular new image of the Milky Way across a wide range of radio ...

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 ...

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 ...

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 ...

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 ...

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 ...