The talks were designed to end 50 years of fighting between the Colombian government and the Revolutionary Armed Forces of Colombia, or FARC.
The pontiff said he would travel to Philadelphia for the World Meeting of Families. Francis would be the fourth pope to visit the United States.
The U.S. throws out 35 million tons of food each year. While many restaurants, supermarkets and processors are taking responsibility, many consumers aren't. An EPA pilot program aims to change that.
A modern artist installed a high-tech brick path that glows in the starry night, an homage to one of Van Gogh's most famous paintings.
Republican Rep. Allen Peake has filed legislation to allow registered patients to use medical cannabis to treat illnesses.
Strong odors can be a problem for people with asthma. Even anticipating smells like chemicals or heavy perfumes can lead to an asthma attack. Some scientists think this may lead to new treatments.
With his brown skin and long dreadlocks, Marc Quarles stands out in his predominantly white neighborhood. He's particularly aware of that, he says, when his biracial children aren't with him.