Police boats continue to search the Potomac River as part of the recovery and investigation into the United States’ deadliest ...

A midair collision between an Army helicopter and a passenger jet killed all 67 people aboard the two aircraft, officials said, as they search for answers in the nation's deadliest aviation disaster ...

The University of Texas has implemented a new living lab, the UT Water Hub, which will divert wastewater and treat it for use ...

Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

A midair collision between an Army helicopter and a jetliner killed all 67 people aboard the two aircraft, officials said, as ...