COLLEGE PARK, Md. — Road salt's impact on DMV waterways is an issue that researchers from the University of Maryland have been working on for more than 20 years. Dr. Sujay Kaushal is one of those UMD ...

The Washington Suburban Sanitary Commission has been busier in the last month than it has in about a decade. The issue?

Just hours after finding 10 people dead in western Alaska from one of the deadliest plane crashes in the state in 25 years, ...

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

NTSB says that Blackhawk was flying more than 100ft higher than its allowed altitude when collision took place ...

Wind gusts and tidal conditions could slow operations today as officials try to pull wreckage from the icy Potomac River.

Divers have recovered 55 of the 67 victims killed when a Black Hawk helicopter and a regional jet collided at Reagan National ...

Officials said the bodies of several victims remain in the plane's fuselage and their "dignified" removal is a main priority.

Engineers will start by working to remove the remnants of the jet from the Potomac River, which they expect to take three ...

Investigators are seeking clues into this week's deadly midair collision, the deadliest aviation disaster in the U.S. almost ...

Officials are examining black boxes from both aircraft and say they appear to be in good condition and may provide details on ...