The regime carried out hundreds of attacks on AA-held areas during its truce, killing civilians and bombing towns with jets, drones, and artillery, the armed group said.

Even the nimblest of quadcopters still struggle to halt their lateral momentum when moving fast, limiting their ...

The X-66 program heavily modified a McDonnell Douglas MD-90 aircraft to demonstrate a truss-braced version of the thin wing.

The 3D-printed drones cost between $2,000 and $3,000 each. The biggest challenge has been getting parts approved by the ...