Earth Matters

This guy is walking 1,800 miles across Madagascar to look for an elusive lemur

How fake chimneys can help save birds

New seabed discovery rivals Great Barrier Reef

Researchers know what killed Knut the polar bear

Sea turtles are reclaiming the Georgia coast

New map shows where the wild things would be

Drone pilots filming orcas fined $1K each for flying too close

Don't fall for the 'Mars Hoax' tonight

How to save an animal's life with tape and glue

Why walruses need summer sea ice

Bermuda Triangle-like effect discovered over Earth's equatorial region

Mercury is contaminating the Grand Canyon's fish and wildlife