The Pacific Ocean covers nearly one-third of Earth's surface.

Glacial periods caused sea levels to drop significantly.

Fact #748 · Ocean

Operation Ivy Bells involved Cold War submarine intelligence gathering.

Fact #1075 · Ocean

A humpback whale’s song can last for hours.

Fact #549 · Ocean

A jellyfish moves by pulsing its bell-shaped body.

Fact #506 · Ocean

Octopuses explore new environments with curiosity.

Fact #1331 · Ocean

The deep ocean floor is covered with fine sediment known as ooze.

Fact #1422 · Ocean

The immortal jellyfish is the only known animal capable of reverting to its juvenile form repeatedly.

Fact #3845 · Ocean

Some deep-sea octopuses brood their eggs for years.

Fact #1413 · Ocean