Scammer posing as stranded astronaut convinces woman to send him $6,750 to buy oxygen | Oxygen isn't cheap in outer space

Chinese astronauts make rocket fuel and oxygen in space

'Breathing' crystals that release oxygen on demand could shape next-gen fuel cells | A new type of crystalline material comprising strontium, iron, and cobalt, can release oxygen on demand when heated – without breaking down

Lightning on Earth is sparked by a powerful chain reaction from outer space