Guanabara Bay will host the Olympic sailing competition in August. But it's so heavily polluted, it threatens the livelihoods of those who depend on its waters.
What happens when a billionaire businessman and politician teams up with a moms-against-gun-violence group with millions of supporters?
When McDonald's came to the Soviet Union in 1990, it insisted that workers smile. That didn't come easy. But customers grew to like it — and workers did, too. What happens when you change a norm?
Media mogul Sumner Redstone, 93, has moved to replace five board members of Viacom Inc., including the chairman and CEO whom he has considered a surrogate son.
A statement of advice for visitors to the Olympics, from WHO, initially said to avoid impoverished areas to reduce the risk of Zika. Does research back it up?
Canada, despite its cold weather, ships more fresh tomatoes, peppers and cucumbers to the U.S. than we send the other way. How? With the continent's largest cluster of greenhouses.
Orlando's Latino community is coming together to help those affected by Sunday's shooting from afar.
The Indian state of Kerala has been a model for the country, with near universal literacy and long life expectancy. But hiding underneath are problems, highlighted by the murder of a law student.
A congressional inquiry finds that the American Red Cross stonewalled lawmakers as they sought to understand the charity's finances, and that it sent significantly less money to Haiti than claimed.
Some experts say there are better, cheaper alternatives for getting small dollar loans than payday loans, which are often cash sources of the last resort.