29,000 rubber ducks spilled into the Pacific in 1992 have since become global ocean current trackers.

The Pacific Ocean is larger than all of Earth's landmasses combined.

Fact #4251 · Ocean

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

Fact #4466 · Ocean

About 71% of Earth's surface is covered by water, but 97.5% of that is saltwater.

Fact #4269 · Ocean

Marine iguanas in the Galapagos are the only ocean-going lizards in the world.

Fact #5145 · Ocean

Greenland's ice sheet is melting at accelerating rates, contributing significantly to global sea-level rise.

Fact #4779 · Ocean

Deep-sea environments have crushing pressures far greater than at sea level.

Fact #1394 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #1728 · Ocean

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

Fact #297 · Ocean