Earth Matters

The easy way to tell the difference between seals and sea lions

Tiny origami robots are flexible space rovers

Glowing blue algae lights up Tasmanian bay

These parrots high-five in the air while laughing contagiously

Make way for the king of all chickens

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

7 Earth-sized alien worlds offer 'giant leap forward' in search for other life

Tigers and leopards protected in China's new park, which is larger than Yellowstone

Unusual 'Dr. Seuss flower' discovered by park ranger

NOAA predicts a warmer than usual spring

Fish found leaving the sea to evolve into land animals

Teen finds 7.44-carat diamond at Arkansas park

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