Will the new B-21 stealth bomber effectively carry and release weapons? Will its next-generation stealth technology keep its infrared (IR) signature low and help it evade complex air defenses? Will ...

Airbus has expanded the A380's flight envelope to an altitude of 43,000ft (13,100m) and a speed of Mach 0.89 during the initial phase of flight testing. The first series of stalls has been completed, ...

Czech aerospace manufacturer Aero Vodochody has ramped up flight envelope testing of its new L-39NG light jet trainer as it pushes to have the aircraft certified for the third quarter of 2020. Flight ...

It’s a common phrase meaning “to go beyond the usual or normal limits by doing something new, dangerous, etc.” But why does “pushing the envelope” mean this? The answer lies not in mail but in ...