Look and learn: Examine light from fireflies and other living things.

Look and learn: For over 100 years, scientists have been on a quest to spy a giant squid.

How do explorers reach the bottom of the sea?

Why do things float?

Several hundred thousand kinds of plants and animals live in the ocean.

Deep-sea vents create cozy homes for some of Earth's weirdest life forms.

Scientists have finally proven the existence of giant waves.

Look and learn: Until now, scientists thought the brittlestar was blind.

Each of the octopus's arms has its own complex nervous system.

Why do whales sing?