Deep underground, a construction crew is hard at work. They are digging a two-mile-long tunnel to help keep millions of gallons of raw sewage out of nearby waterways. And they have a lot of help ...

Potomac by Air: Our Nation's River is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku ...

An American Airlines Flight 5342 collided with a U.S. Army Black Hawk helicopter and crashed into the Potomac River on Wednesday. The collision occurred as the passenger aircraft, which departed ...

The wreckage of a U.S. Army Black Hawk helicopter in the Potomac River in Washington, D.C., Thursday. (BRANDON GILES/U.S. COAST GUARD) The U.S. Coast Guard released images taken Thursday of the ...

Anna Skinner is a Newsweek senior reporter based in Indianapolis. Her focus is reporting on the climate, environment and weather but she also reports on other topics for the National News Team.