The controversial NSA whistleblower also says he offered to serve prison time in the U.S. "as long as it served the right purpose."
A new interactive map predicts that greenhouse emissions will cause temperatures to rise by 7 to 10 degrees in U.S. cities over the next century.
Rory Young is on a mission to train and arm teams of men to combat an army of poachers threatening to wipe out the African elephant population.
Hillary and Bill Clinton are renting a slightly less expensive house for the summer that one real estate expert and local resident says may be in response to criticism over the couple's wealth.
U.S. officials say that President Obama has ordered the military to begin humanitarian drops to religious minority groups in Iraq under attack from Islamic State terrorists and is considering ordering airstrikes as well.
The "Star Trek" actor opens up about revisiting the site where an atomic bomb killed two of his relatives, and he recounts his time spent in a Japanese internment camp during World War II.
The late-night talk show host stepped out of character to offer some heartfelt advice to girls about life, relationships and dealing with parents who just don't understand.