Geysers like Old Faithful form when groundwater is heated by magma and erupts through narrow channels.

Tardigrades can survive extreme radiation, freezing, and even space.

Fact #1868 · Nature

Some trees can communicate with each other using underground fungal networks.

Fact #1955 · Nature

The Amazon River discharges about 20% of all fresh water that flows into the world's oceans.

Fact #3403 · Nature

There are caves so large they contain their own rivers and ecosystems.

Fact #2446 · Nature

Some trees can communicate with each other using underground fungal networks.

Fact #1785 · Nature

The Sahara Desert can experience large temperature swings between day and night.

Fact #243 · Nature

Some dinosaurs laid eggs in large nesting colonies.

Fact #679 · Nature

Jellyfish have existed for hundreds of millions of years.

Fact #117 · Nature