The blade tip speed limit of a propeller plane's propeller can determine the plane's top speed for reasons relating to design ...

A German startup is looking into how communications were lost with a memorial spaceflight capsule on its return to Earth. The ...

Chris Parkin tests the .30 calibre Leopard from FX and reports back on its shot count, engineering, and top-tier performance ...

What might go wrong when a spacecraft lands back from orbit, bearing not just the remains of 166 people but the hopes of ...

Concorde flew at the cruising speed of Mach 2, twice the speed of sound, where even small increases in drag would have had a significant impact on fuel burn and range. A wider cross-section would have ...