Wilderness & Resources

The unexpectedly weird and beautiful world of lichens

There'll be no human-sheep mingling when the Bark Ranger is on duty

Are African violets in trouble?

Tides cause earthquakes along the San Andreas fault

13 natural rock formations that look man-made

5 reasons why biodiversity is a big deal

5 ways to help coral reefs today (no matter where you live)

Toxic green algae invades Florida beaches

Why is it so hard to create a national park?

Meditate on persistence of bubbles under ice

Orchids 101: The biology behind these elegant flowers

11 things to know about beautiful kelp