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Are the Astronauts Trying to Get Even Higher?

For the second time in two years, cocaine has been found in a NASA facility. On March 7, 4.2 grams of a white, powdery substance, which tested positive for cocaine, was discovered at the Kennedy Space Center, a NASA executive officer told CNN.

On a Trip to Mars, Astronauts’ Muscles Could Waste Away

SHAMIL ZHUMATOV/Reuters/Corbis

They have treadmills and exercise bikes, but astronauts do not maintain muscle mass during long space voyages — a finding that suggests big problems on manned missions to other planets.