For male chimpanzees, there may be a benefit to being a bully.
Environment
Legislation to approve the controversial Keystone XL oil pipeline began racing through the U.S.
The United States and China announced a largely symbolic plan on Wednesday to implement new limit
China will aim to cap greenhouse gas emissions by 2030, while the United States will cut total em
Drivers faced a second day of unseasonably heavy snow and some businesses and schools shut down i
EU politicians on Tuesday backed a plan to allow nations to ban genetically modified crops on the
A slow-moving lava flow from an erupting volcano on Hawaii's Big Island incinerated a house on Mo
An arctic blast began to dump heavy snow in parts of the northern Rockies, Plains and the Great L
BP Plc has failed to persuade a federal judge to oust the administrator overseeing payouts to bus
Four Senate leaders on Friday urged President Barack Obama not to retreat from promises of strong