The raise for defence startup Hypersonix Launch Systems was supported by $10m from the federal government's National ...

Hypersonix is building reusable hydrogen-powered hypersonic aircraft that can fly at five times the speed of sound and leave ...

At first glance, a twin-engine aircraft looks a whole lot safer than a single-engine one. After all, if you lose an engine, you still have another to keep you flying in the air, right? This isn't ...