Earth Matters

Over 1 million penguins descend on Argentina

It will take 40 years before dolphins recover from Deepwater Horizon spill

14 extinct animals that could be resurrected

WildlifePhoto contest captures nature at its best

At 66 years old, Wisdom the Laysan albatross hatches another chick

Meet the pangolin, an adorable endangered creature

The mysterious 9th planet could have your name on it

Rare rodent is the first tree-climbing mammal known to echolocate like a bat

When honeybees get surprised, they let out a 'whoop'

Do grizzly bears belong in Washington state?

3 fascinating facts about the blue dragons of the sea

The dazzling firefall of Yosemite has returned