Nature

How you can help bluebirds bounce back

Where are Earth's largest nature reserves?

Thousands of bulging methane bubbles could explode in Siberia

These parrots high-five in the air while laughing contagiously

Why do the leaves of some trees turn brown but not drop?

Unusual 'Dr. Seuss flower' discovered by park ranger

Fish found leaving the sea to evolve into land animals

Teen finds 7.44-carat diamond at Arkansas park

California desert comes alive with wildflower 'superbloom'

Watching nature documentaries boosts happiness, says study

12 breathtaking images from the Sony World Photography Awards

Famed Azure Window arch in Malta is no more

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