Earth Matters

What is a red tide?

Why do leaves change color in autumn?

Earth's atmosphere is mysteriously losing oxygen

Why restoring Atlanta's urban forest matters

See what it's like to dine with a whale

7 new telescopes that will change the way we see space

8 species moving to cooler waters

How to talk to a horse

Toomer's Corner oak set on fire after game

Sika deer shakes what its mama gave it

This is why male black widow spiders prefer younger women

Toddler rescued by puppy after 3 days in Russian wilderness