Motion-activated trail cameras are revealing hidden wildlife behavior, from snow-covered grizzly bears in the Yukon to rare and elusive species worldwide. Learn how these silent observers capture ...

A discreet trail camera set up by the river quietly recorded this natural moment without any human presence. This scene gives a rare glimpse into the daily life of wild animals along the water's edge.

NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its ...

Picking out a security camera isn't easy, although CNET's guides are here to help. But one of the most important steps is knowing just how your security cam needs to be mounted. From screw-in bases to ...