It's a big topic of discussion at an annual convention for trade in endangered species.
Antibiotic-resistant bacteria is now a universal health crisis, so the United Nations is searching for a fix.
International Organization for Migration says it expects 100,000 migrants will head home by the end of 2016.
Tribes from both the U.S. and Canada are joining together to fight against proposed pipelines from the Alberta tar sands.
During the pope's recent speech to journalists, he compared stories based on rumors to terrorism.
South Korea is continuing its threats against North Korea over nuclear tests.