The three members of the 16th International Space Station crew experienced a "ballistic trajectory" while returning from the station to the steppes of Kazakhstan in their Soyuz capsule on Saturday. Translation: Their spacecraft fell to earth like a lead weight, subjecting them to double the g-forces expected.

A new survey of active-duty astronauts and flight surgeons reveals that there's only been one incident of a NASA crew member under the influence of drugs or alcohol leading up to launch day. And on the day itself, the survey reports that nobody had been guilty of excessive drinking or drug use.