Hopping in a standard-sized helicopter is intimidating enough to many people. And while the transportation method’s safety ...

Martian helicopters might seem like a sci-fi concept, as Mars' atmosphere isn't friendly to aircraft. But actually, the idea ...

Fans reduce energy costs; if they’re whisper quiet, they can also promote restful sleep. We tested top-rated low-decibel fans—their quiet operation blew us away.

A gunman fired upon a Dallas immigration field office from a nearby roof Wednesday morning, killing two detainees and ...