Your next skin cream may come from NASA's outer space science

Want to avoid premature wrinkles? Drink plenty of water, wear sunscreen, don't smoke, never frown or knit your brow, and try to limit your time in outer space.

Astronauts' skin takes quite a beating, even without gravity to weigh it down. In fact, spacefarers say they tend to get dry, flaky, and thin skin, depleted of natural...