When Sentinel-1 is placed in orbit around Earth in a few weeks, it has to perform a complicated dance routine to unfold its large solar wings and radar antenna. Engineers have recently been making sure the moves are well rehearsed.
A new kind of flying reptile from the late Cretaceous has been identified from bones found in Romania's Transylvanian Basin.
The first wings on feathered dinosaurs were pretty useless, new research shows, meaning they'd have found it hard to take off and fly at low speeds.
I really wanted this video to be real, but alas, after just a few days going viral, the Dutch engineer who shot it has 'fessed up and admitted the clip was faked.
Planes designed to look like birds would be more aerodynamic than traditional shapes, say a pair of engineers in California and South Africa.