Tamanend bottlenose dolphins are seasonal visitors to the Chesapeake Bay and Potomac River. They are a coastal population of ...

It will continue to get harder to ensure there’s enough drinking water from the Potomac River, according to a group that coordinates with D.C.-area water companies.

A tragic Point Lookout boating accident has left the St. Mary’s County boating community in mourning after a 71-year-old man ...

Two machines met over the Potomac that night, and in the space of three heartbeats, dozens of human lives came apart in a way no amount of training or luck could put back together.

The George Washington Parkway is undertaking a new initiative to upgrade and replace several of its drinking fountains, ...

The National Transportation Safety Board is continuing to investigate a fatal midair crash at Ronald Reagan Washington ...

Loved ones of Washington, D.C., plane crash victims wore photos of their late friends and family members as they attended the ...

It is the second of three days of witness testimony and public inquiry by the National Transportation Safety Board into ...

If the Potomac River has gotten more attention than the Anacostia in the past 50 years, it’s partly because the Potomac supplies 90 percent of the region’s drinking water. That amounts to an ...