Just one glacier can release up to 41 tons of methane from meltwater a day during the summer months.
A newly discovered cave could very well be tens of thousands of years old, and dangerous to explore.
Humans aren't the only animals that can alter landscapes.
Geologists have found proof that a microcontinent exists near the island of Mauritius.
Zealandia, off the eastern coast of Australia, has existed for millions of years.
Why are some mountain lakes so beautiful? Thank a glacier.
It was one of the Earth's momentous times. Continents collided. Volcanoes erupted. Ocean currents shifted. Species ran amok.
Geysers spout up where a column of underground water is heated to boiling by "magma," or molten rock, pushing the water upward.
According to geologists, there's something very hot going on under all that ice.