A Miami high schooler came down with measles, a doctor said Tuesday. It's the first known case of measles in Florida.

The U.S. is dealing with a measles outbreak, including one in New Jersey and new cases in New York City. See what the measles look like here.

Children and adults who live near high-traffic areas are disproportionately exposed to air pollution, putting them at greater ...

Trudeau, Reacting to U.S. Tariffs, Pledges to Protect Canada’s Economy Prime Minister Justin Trudeau said he “would not back down from a fight.” Canada and China imposed retaliatory tariffs ...