Teenagers from affluent suburban homes are more likely to abuse alcohol and drugs than the national average. Parental attentiveness is key to prevention, a new paper finds.

Climate change is causing wildfires to consume ever-larger swaths of forest, scientists say, breaking records and blanketing many states in dangerous smoke.

Members of Congress with the most extreme political views receive more attention from print media than moderate members, a new study suggests. Meanwhile, far-right Republicans get more coverage than far-left Democrats.

Do private prisons save money? At what cost to inmates and society? We review the research on a host of related policy questions.

Researchers have long disagreed about the effect marijuana may have on intelligence. A new study of adolescents suggests it is responsible for a small drop in acuity.

Almost everyone has a smartphone. They can be distracting. But new research shows they may also impair our ability to think straight even when we’re not using them.

Despite major changes in media and technology over the past 20 years, a new study of children's news habits finds that "parents are still at the core of developing news interest and patterns of consumption."

Over a million international students study in the United States. China provides almost a third, according to a new government paper.

Raising the sales tax on alcoholic beverages leads to fewer crashes with injuries involving drivers who have been drinking. A new study suggests a higher sales tax had the biggest impact on drivers aged 15

After the devastation of Hurricane Andrew in 1992, Florida adopted tough new building codes. They quickly paid for themselves, a new study finds.