The National Transportation Safety Board has joined the investigation into a fatal Colorado house explosion blamed on unrefined natural gas…
A bus carrying 35 children crashed Monday afternoon in Chattanooga.
It's taken three almost three years for investigators to find out what happened when a plane crashed in Aspen airport.
Federal investigators say pilot error caused a small plane crash north of Denver that killed all five people on board.
John Earley's blood tested positive for 6.3 nanograms of THC, above Colorado's legal driving limit of 5 nanograms.
A preliminary report on a small plane crash has found that the pilot was heard making a mayday call over his radio.
An investigation into a deadly plane crash suggests the plane may have been experiencing engine problems.
Investigators are working to determine if rain was a factor in the accident.
The Transportation Department could mandate sleep apnea testing for truckers, train operators and bus drivers.