David Crouch, 27, went missing while camping in the Bridger-Teton National Forest in August 1997. He was last seen on the ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

Experience the magic of Christmas with this enchanting drone footage, capturing the snowy landscapes of Finland, the frosted forests of Lapland, and the icy expanses of the North Pole. Marvel at ...

Biologist Mike Ross, balanced in a canoe beneath a star-filled sky in central Zambia, slaps the water with a net attached to ...