Flight data posted online appears to show another Army helicopter flying higher than the maximum altitude allowed around Ronald Reagan Washington National Airport in Washington, D.C., before last week ...

Hidden Level develops passive radar and radio frequency sensing technology for detecting and precisely locating drones.

AALTO plans to launch several additional test flights of its ultra-long-endurance Zephyr from a new facility in Kenya this ...

Just offshore of the towering national monuments of Washington, a tall crane now hovers over the Potomac River. It casts a ...

Critical data that could piece together the final movements of a Black Hawk helicopter before it crashed in Washington lie ...

As a salvage team continues to work in cold winter conditions to lift debris from the frigid water, key questions into the ...

The seven-year-old company counts Booz Allen Hamilton's venture arm and Washington Harbour Partners as investors that are ...

Officials from the NTSB and the FAA are expected to speak to lawmakers as the effort to pull wreckage from the cold waters of the Potomac River continues less than five miles away.

At such a critical moment in US history ... DC has shown a significant discrepancy in altitude readings between the aircraft upon collision. However, data gathered from the air traffic control ...

Even a separation of as little as 200 feet between two aircraft "is not a lot ... the helicopter routes have a prescribed altitude that is critical to adhere to,” he said.

The NTSB is continuing its investigation into how an American Airlines regional jetliner collided midair with a Black Hawk ...