Genetic evidence from ancient humans and modern people suggests that travelers from northern Eurasia moved south several thousand years ago. They stuck around to have kids with early European farmers.
The "moderate" opposition has been losing ground on the battlefield and pleading for weapons from the U.S. for the past couple of years. They are hoping that their fortunes have finally changed.
Scotland's referendum on independence has implications beyond the borders of the United Kingdom. We take a look at several other regions with breakaway movements.
Mom always liked you best. But is that enough of an excuse to start smoking dope? It depends on how teenagers perceive parental preference, a study finds. And also how warm the family is overall.
A proposal about how to maintain unfettered access to Internet content drew a bigger public response than any single issue in the Federal Communication Commission's history. What's next?
In an interview with NPR, Mohammad Javad Zarif says the U.S. has been hesitant and contradictory in its approach to defeating the Islamist insurgency.
Nonprofits have an important role to play in fighting Ebola, Obama said yesterday. Indeed, they are now donating millions, dispatching doctors and sending over critical supplies.
The president said U.S. airstrikes, combined with military expertise, would be more effective in defeating the group that calls itself the Islamic State.
Do you want to be a lab rat? That's what teenagers are doing when they smoke marijuana, the state of Colorado says. But since hard evidence of marijuana's harms is scanty, it may be a tough sell.