The northern snakehead fish, now known as the Chesapeake channa, has long been established in the Chesapeake Bay.

A National Oceanic and Atmospheric Administration plane used a green laser Saturday to search the Potomac River for ...

Investigators searching for wreckage from last week’s deadly midair collision between a US military Black Hawk helicopter and an American Airlines plane near Washington, DC, conducted an overnight ...

new video loaded: Aircraft Wreckage Is Recovered From Potomac River Whether it’s reporting on conflicts abroad and political divisions at home, or covering the latest style trends and scientific ...

Recovery crews completed the removal of all 67 bodies from the remnants of the Army Black Hawk helicopter and American ...

Video shows a pickup swerve across all lanes of the Arlington Memorial Bridge before it crashed into the freezing Potomac River Thursday evening NBC Universal, Inc. Go here for updates Friday on ...

Officials say the conditions of the Potomac River complicated recovery efforts of the bodies of those killed on Wednesday in a midair collision between American Airlines Flight 5342 from Wichita ...

Officials in Washington, D.C., identified 55 bodies pulled from the Potomac River during a strenuous multi-day recovery operation following the midair collision between a commercial plane and a ...

As crews removed some of the wreckage of the American Airlines plane that collided with an Army Black Hawk helicopter over Washington, D.C., and crashed into the Potomac River last week ...

Crews remove more wreckage of the American Airlines jet from the Potomac River as they continue recovery efforts from last week's fatal midair collision that killed 67 people near Ronald Reagan ...