A successful landing and Mars's smooth surface sets optimum digging conditions
Olympic hopefuls gathered in Chicago this week say that boycotts do not work. Athletes who were unable to compete in 1980 concur.
Scientists say the breakup is a harbinger of what's to come if the region continues warming.
Do not go untrained into the 24-hour summer light.
Just the 30th favorite nation to visit, Japan hopes to boost tourism – and the economy.