oxygen

From the thousands of liters we breathe each day to the surprising way air affects our mood, discover fascinating facts about the invisible substance that makes life on Earth possible

From the ozone layer to oxygen balance and air pressure, discover how the atmosphere protects, nourishes, and perfectly maintains life on Earth

Discover the precise cosmic, atmospheric, and planetary conditions that make life on Earth possible — and why moving to another planet is far less simple than science fiction suggests.