Wilderness & Resources

Common seaweed found to produce a beautiful new type of opal

Do trees have a heartbeat?

Get free admission to your favorite national park this Saturday

Drilling threat looms large for Arctic National Wildlife Refuge

9 things you don't know about John Muir

New wildlife corridor is a road to survival for animals in Brazil's Atlantic Forest

Why the Great Barrier Reef is in danger

Take a deep dive into these underwater photos

19 of the strangest basalt column landscapes on Earth

Extremely rare 'star rubies' found by fishing guide could fetch millions

6 Virunga park staffers killed in ambush

There might be microplastic in that compost

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