The International Space Station has sprung a leak

The International Space Station is old. The first pieces of it were sent into orbit almost two decades ago, and it's been under near constant construction and remodeling ever since, adding new components and expanding the craft's usefulness. But it's still old. We were reminded of that today when a much-anticipated spacewalk at the ISS was delayed due to an unfortunate malfunction: a water leak.According to NASA, the leak was discovered just before two US astronauts — Peggy Whitson an