A giant egg equipped with rotors and "Transformers"-style robots are among some of the creative designs submitted in a $2 million dollar contest to dream up new ways of flying. The GoFly Prize, a ...

From the first fragile biplane to stealth bombers that defy radar, humanity’s quest to conquer the skies has produced some truly remarkable machines. These aircraft changed warfare, revolutionized ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...