Experience the craggy beauty of Madagascar's 'stone forest'
September 30, 2015, 6:30 a.m. by Catie Leary
The sharp, treacherous karstic landscape of Madagascar's Tsingy de Bemaraha belies its status as a nurturing ecological cradle for rare endemic wildlife.
'The Revenant' drops a full trailer of DiCaprio versus nature
September 29, 2015, 2:25 p.m. by Michael d'Estries
True story chronicles the struggles of a 19th century fur trapper lost in the wilderness and seeking revenge.
Glowing sea turtle is the first biofluorescent reptile ever found
September 28, 2015, 9:01 p.m. by Bryan Nelson
Scientists aren't sure yet just how widespread these beautiful, glowing hawksbill turtles are.
Letterboxing? It's treasure hunting for nature fans
September 26, 2015, 2 p.m. by John Donovan
Letterboxing offers a fun and arty romp through nature.
Which U.S. states have the most endangered species? [Infographic]
September 21, 2015, 11:50 a.m. by Russell McLendon
Here's a graphical glimpse at America's most endangered wildlife, where they live and how many are left.
Obama, Bear Grylls to swap survival tips in Alaska
August 31, 2015, 3:22 p.m. by Michael d'Estries
Survivalist to host the president on a special edition of 'Running Wild with Bear Grylls.'
Why planes are so good at withstanding lightning strikes
August 21, 2015, 2:43 p.m. by Michael d'Estries
Everything from discharge points to specialized shielding gives airplanes a solid defense against lightning.