Aerospace

Rolls-Royce tests its first hydrogen-powered plane engine
What the new Earth-threatening asteroid means for humanity
Astronomers detect “mystery molecule” in exoplanet’s atmosphere
New ultra-thin solar cells could be the future of space power
Australia’s first rocket set to launch in 2023
NASA’s Orion spacecraft sends back first images
Chernobyl fungus could shield astronauts from cosmic radiation 
ISS experiment will 3D print a body part in microgravity 
Chinese robot helps convert moon dust into fuel and oxygen 
NASA “Flashlight” will hunt for hidden water on the moon