Authorities say an experimental aircraft has crashed at a military base near the coast of Virginia. The incident occurred Thursday at Joint Base Langley-Eustis.

An experimental aircraft has crashed at a military base near the coast of Virginia, authorities said Thursday.

Flights take off over the crash site of an American Airlines plane and an Army Black Hawk helicopter that collided and crashed into the Potomac River. (Carol Guzy/Zuma Press) American Airlines ...

Tennessee health officials confirmed a measles outbreak on Thursday, bringing the number of U.S. states with outbreaks to 10. Nearly a week ago, the U.S. was up to 800 cases of measles nationwide.