Jet Rescue Air Ambulance said it was unlikely anyone on board survived the Friday crash. Nineteen people on the ground were injured, Philadelphia Mayor Cherelle Parker said.

Human-to-human pilot-controller communication ambiguities might have played a role in the recent mid-air collision. Lessons for human-AI ambiguities are examined.

The Army has released the name of the third soldier who died Wednesday when an Army helicopter collided with an American ...

SACRAMENTO, Calif. — An 81-year-old man was hit and killed by a car while riding his motorized wheelchair Saturday morning, according to California Highway Patrol. CHP said the crash between a white ...

"This is a devastating tragedy," Vitali Kay told Delaware Online/The News Journal on Friday. "Hopefully, it's the worst that my kids and I will ever see in our lives." ...