In a small trial, an experimental vaccine protected 100 percent of people at high risk for Ebola. But more data are needed to figure out exactly how well the vaccine works.
One report shows that state courts are twice as likely to incarcerate Native teens for minor crimes like truancy and alcohol use. Another, that alternatives like treatment programs are more effective.
The International Olympic Committee has selected Beijing as the host city for the 2022 Winter Olympics. It's the first city ever to host both summer and winter games.
The killing of Cecil the lion in Zimbabwe has highlighted big game hunting. Hunters legally kill more than 600 African lions every year. More than half the tourists hunting in Africa are American.
Some trucking companies are having trouble finding enough interstate drivers. They say cutting the minimum driving age from 21 to 18 is a fix, but critics worry such a move would be a safety disaster.
Automakers and researchers are using a 32-acre fake city at the University of Michigan to simulate a real-world environment for autonomous vehicles. How will such cars affect urban planning?
An estimated 4 to 6 million land mines are scattered throughout Cambodia, one of the world's worst-affected places. Rats possessing an exceptional sense of smell are being trained to detect the mines.
Trump says he's rich enough to pay for his own White House bid. But the billion-dollar-plus price tag might be tough, even for him.
"Nobody got the messaging right at the beginning," one activist said. "They should have known better." Three Democratic candidates are speaking to the National Urban League today.
The Office of Exorcism reports a sharp increase in cases over the past decade — more than its five-man team can handle. Warning: It's a high-stress job. The priests believe the demons strike back.