Even apes have 'midlife crises,' study finds

Astronauts touch down in chilly Kazakhstan steppe

Mars rover Curiosity set to hit the road again

Violent dolphin deaths a mystery for scientists

Population of Africa's mountain gorillas rises

Superstorm shines light on federal beach program

Iowa scientists: Drought a sign of climate change

Study: Stone spear tip made by earlier ancestor

California sells out of first pollution permits

WWII-era love letters wash ashore in NY post Sandy