Wilderness & Resources

The world's 10 oldest living trees

This blue-leafed plant isn't afraid of the dark

A 'hidden' forest in the shape of a Celtic cross has emerged in Ireland

What makes a champion tree?

13 glittering, record-setting gems to ogle

​How a caustic lake in Tanzania became a flamingo paradise

7 superlatively spooky forests

Hundreds of ancient human footprints found near volcano

Daredevil dogs skydive to fight poaching

Yellowstone National Park has more cell coverage, and not everyone is happy about it

15 things Obama has done for the environment

Massive coral reef discovered thriving off the coast of Maui in deep water