The Earth's oceans regulate global temperatures.

Surfer Garrett McNamara rode a 78-foot wave off Nazaré, Portugal, in 2011 — a record at the time.

Fact #4466 · Ocean

The Pacific Ocean has the most islands of any ocean.

Fact #327 · Ocean

Sea horses swim upright rather than horizontally.

Fact #446 · Ocean

Deep-sea creatures often grow slowly due to limited food availability.

Fact #1400 · Ocean

There are places in the ocean deeper than the height of Mount Everest.

Fact #2457 · Ocean

The deepest part of the ocean is deeper than the height of Mount Everest.

Fact #2495 · Ocean

Only about 5% of the ocean has been explored by humans.

Fact #2776 · Ocean

A sea star moves using tiny tube feet.

Fact #498 · Ocean