Climbing Mt. Everest is an undeniably ambitious achievement. If this is an undertaking you wish to accomplish, here is our ...

Investigators are looking at staffing in the control tower before the crash and reports that the helicopter was flying above the usual altitude, which put it on a collision course with the jet.

Beneath the Mid-Atlantic Ridge, an ancient underwater city has been quietly thriving for at least 120,000 years—but it may ...