What came first: the bipedal human ancestor or the grassland encroaching on the forest?

Wartime Deployments Can Lead to Drug and Alcohol Abuse for Teens at Home

Holding a spoon, a cell phone or a baby all require bending and straightening the hand and arm. Most of the time, people take the ability for granted.

USC Village, an ambitious retail and student housing project that will change the face of the university and of South Los Angeles, won approval from the City Council today.

J.R.R. Tolkien's world can teach students about the root causes of war.

New technique finds a use for ozone-destroying chemical waste product