The crash of a UPS MD-11 freighter during takeoff from Louisville has rapidly shifted from a mystery to a focused hunt for answers inside the left engine and the hardware that held it to the wing.

Investigators are examining structural faults or engine-mount failures as potential triggers, while pilot reaction time was likely limited. A detailed forensic examination is forthcoming. An unusually ...

Boeing warned plane owners in 2011 about a broken part that contributed to last year's UPS cargo plane crash that killed 15 people, but at that time, the plane manufacturer didn't believe it ...