The NASA flight will get up close and personal with Southern California this weekend. NASA says the planes are being used to conduct several scientific studies.

Storm-chasing NASA pilots recently spent weeks flying an aircraft not unlike a spy plane directly into thunderstorms in an effort to gain new insights about lightning and severe weather.

NASA announced that an aircraft known as the Sustainable Flight Demonstrator is now officially called the X-66A. It could first fly in 2028.

Maryland-based Lockheed Martin officially introduced its experimental X-59 plane with NASA late last week. The plane was built to produce a 'quieter sonic thump.' ...

NASA's latest experimental X-plane has received a name. The United States Air Force has designated the plane, designed in conjunction with Boeing through NASA's Sustainable Flight Demonstrator ...