Earth Matters

'Silent Killers' highlights fishing net pollution with beautiful imagery

Spirit of Henry David Thoreau's 'Walden' lives on at state park

How one small Kentucky town is morphing into 'Eclipseville'

6 things to know about Earth's 6th mass extinction

What happens when galaxies get too close?

See that strange glow in the woods at night? It's foxfire, and it's beautiful

School-age boy saves a species after quest to find an 'extinct' frog

How do we know what other people are thinking? This monkey study may offer clues

Vet reunites with turtle years after saving it

Thousands of bulging methane bubbles could explode in Siberia

This has to be the world's first solar farm that can be described as 'cute'

Today's frogs owe a debt to an ancient asteroid