The Svoboda and Udar parties pulled out of the governing coalition, prompting Arseniy Yatsenyuk's decision. Parliament's speaker said it was up to the two parties to name a temporary prime minister.
The presidents of Honduras and Guatemala also called for more aggressive cooperation with the U.S. to curb the violence and poverty they say is driving child migrants to the U.S.
The State Department says it has evidence that Moscow is lobbing artillery across its border at Ukrainian government forces, and that the Kremlin plans to ship rocket artillery to the rebels.
The head-to-toe protective gear is designed to prevent Ebola from infecting health care workers, yet some do contract the disease. It's not the suit's fault. It's likely a case of human error.
Eight years after the FDA approved the first vaccine against HPV, only 57 percent of female teens and 35 percent of male teens have been inoculated, the CDC says. Are doctors partly to blame?
The Wisconsin Republican is rolling out a plan that he says will fight poverty more effectively than the programs launched by former President Johnson's War on Poverty, but progressives are skeptical.
So much of the food we eat these days is encased in plastic. And behind it is a whole lot of research and innovation. We dive into some of the materials that keep food fresh and portable.
So much of the food we eat these days is encased in plastic. And behind it is a whole lot of research and innovation. We dive into some of the materials that keep food fresh and portable.
The practice is on the decline in many countries. But the population boom in Africa and the Middle East will put millions of girls at risk unless more progress is made.
Tony La Russa, who won more games than any MLB manager in the past 60 years, will be inducted into the Hall of Fame. Links to steroids have kept notable players of his from getting that recognition.