"In the future, it's going to be for commercial, like, city to city or point-to-point taxis." This innovative flying taxi could completely transform city travel — here's the surprising energy source ...

A tour guide killed at a former Colorado gold mine last year fell out of a crowded elevator taking tourists below ground after apparently not latching its door closed, documents obtained by The ...

WASHINGTON -U.S. authorities restricted helicopter flights near Reagan Washington National Airport indefinitely on Friday, ...