Earth Matters

New panda park in China will be much bigger than Yellowstone

5 things you didn't know about the weirdly majestic basking shark

Global tree cover has increased 7% over the last 35 years — but there's a catch

The Pliocene called. It wants its CO2 levels back.

Other animals have 'human' emotions, too

How my son and I took our love of nature and turned it into a book

There's a tree in this North Carolina swamp that's at least 2,624 years old

What are the different types of lightning?

Jim Fowler of 'Wild Kingdom' dies at 89

Why did the chicken cross the road?

It took 265,000 galaxies and one starry-eyed telescope to create this image

Why do purple martins have such big houses?