On Earth, breathing is effortless because oxygen is everywhere. But in space, there is none. Astronauts rely on carefully designed systems to survive. Their lives depend on oxygen supplies and backup ...

The City of Whitehall posted a video on Facebook of an oxygen tank exploding inside a garbage ... langur makes its debut at the Bronx Zoo Astronauts Who Have Been in Space for 8 Months Push ...

The additional storage tanks, valves, tubing and instruments ... to ensure that enough oxygen reached the astronauts’ lungs. If a small meteorite should puncture the skin of a ship containing ...