Antarctica is the world's largest desert. It is also covered in ice sheets that are 4 kilometers thick on the eastern side of the Trans-Antarctic Mountains and 2 kilometers thick on the west. So how ...

20,000 years ago, during the last glacial maximum, hulking formations of flowing ice stretched across the Southern Rocky Mountains in present-day Colorado. Most of those glaciers melted away by around ...

Earth's valleys tell an ancient story of ice and power. Over millions of years, massive glaciers have carved, sculpted, and transformed the landscape in ways that still take researchers' breath away.

The beautiful and distinctive U-shaped glacial valleys typical of alpine areas from Alaska to New Zealand have fascinated and frustrated geologists for centuries. While it seems obvious that glaciers ...

Boston, Mass. – Glacial deposits that formed on tropical land areas during snowball Earth episodes around 600 million years ago, lead to questions about how the glaciers that left the deposits were ...

Simply put, glaciers form when the snow cover from one winter does not melt before the next winter's snow arrives. This causes layering of each year's snow on top of all the previous years' snow. Over ...

Glacial lakes in Alaska are expanding at an accelerating rate as glaciers melt, with rapid expansion over just six years.

Glaciers are awe-inspiring geological formations that have defined landscapes all over the world, including Colorado. A glacier is formed when snow accumulates for many years until thick ice is formed ...