The radio transmission after two MBTA trolleys collided in Somerville, Massachusetts, reveals hectic moments as an NTSB investigation into the crash continues Monday.A train with five passengers ...

Recovery efforts continue on a smaller scale on the Potomac River, according to the NTSB, after crews last week recovered all ...

A deadly collision between a commercial jet and an Army helicopter is bringing renewed focus on the federal agency charged ...

Green Line train in Somerville, Massachusetts collided with another train, injuring five and prompting an NTSB investigation.

Duffy said. "They should be flying at 1 o'clock in the morning." Duffy added that pending the NTSB investigation helicopters won't be flying in the airport's airspace "in the near future." ...

The National Transportation Safety Board (NTSB) is slated to provide an update Thursday afternoon on the investigation into ...

For the investigation into Wednesday's crash, the NTSB will establish several different working groups, each responsible for investigating different areas connected to the accident, board member ...

The National Transportation Safety Board has begun an investigation into the deadly mid-air collision between an American ...

prompting an in-depth investigation by the National Transportation Safety Board (NTSB). Chairwoman Jennifer Hommendy called the probe an "all-hands-on-deck event" at a news conference Thursday ...

National Transportation Safety Board Chairwoman Jennifer Hommendy described the investigation into the crash Wednesday night as an “all-hands-on-deck event” for the agency during a news ...

National Transportation Safety Board Chairwoman Jennifer Hommendy described the investigation into the crash Wednesday night as an “all-hands-on-deck event” for the agency during a news ...