Crude reality: One U.S. state consumes half the oil from the Amazon rainforest
ESA’s Mars Express unravels mystery of martian moon using 'fake' flybys
Apollo 17 astronaut Harrison Schmitt is the only scientist to have explored the Moon’s surface. Because he was not a pilot, as all previous astronauts were, Dr. Schmitt attended a 53-week course in flight training, logging more than 2,100 hours flying time