Marc Lallanilla

If a murderer waved a handgun directly in front of you, you'd notice, right? A recent incident in San Francisco proves that you might not — if you're staring at a cellphone.

Photographer Nick Brandt has captured haunting images of the Lake Natron in Tanzania and its dead in a book titled "Across the Ravaged Land' (Abrams Books, 2013).

An extreme style of skydiving originally developed for military operations and known as HALO, or high-altitude low-opening jumps, has proven deadly for one parachuter.

In the wake of the Washington Navy Yard shootings, in which 13 people were killed, some people are wondering if mental illness might drive a person to commit mass murder.

Your jetpack is almost ready for liftoff. That's the word from the folks at Martin Aircraft Co. of New Zealand, who plan to release a fully functioning jetpack within a year.