Playing the Moon Game – NASA Science
In preparing to visit the Moon’s surface, soon-to-be lunar explorers in NASA’s Apollo program first ventured into a…
A Most Unusual Lake – NASA Science
Scientists estimate that Earth is home to more than 100 million lakes. Among the most unusual is Lake…
Scoria Cones on Earth and Mars
Since the 1970s, planetary geologists have known that volcanic features cover large swaths of Mars. Early Mariner 9…