United Airlines has temporarily closed the Polaris Lounge at its primary hub at Chicago O'Hare International Airport (ORD) for expansion works, according to the airline. The news comes almost five ...

German aerospace start-up POLARIS Spaceplanes, based in Bremen, has achieved a key milestone by successfully testing a 3D printed Aerospike rocket engine. This achievement highlights the growing ...

The new engine is called LS427/570, referring to its LS-family engine ... while the low-profile EFI intake manifold, fuel rails, injectors and throttle body all keep the top of the engine ...