July 2012's average temperature of 77.6 degrees Fahrenheit for the continental United States beat the previous record holder, July 1936, by one fifth of a degree, reports the National Oceanographic Atmospheric Administration.
NASA's Mars rover, Curiosity, has taken its first color photo of the Red Planet. The photo acted as a thumbs-up to Earth, indicating that the rover's equipment is operational and that it is prepared for the mission ahead.
The unusual heat waves felt in Texas, Oklahoma, Moscow, and elsewhere in recent years are almost certainly a result of global warming, according to a study led by NASA scientist and climate activist James Hansen.
NASA scientists credited engineering for Sunday's successful Mars landing. Rough-cut footage sent back to Earth from Curiosity's camera depicts the rover's descent, while other new photos show Mars' Mount Sharp.