Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of 1.9 km (1.2 mi). Antarctica is, on average, the coldest, driest, and windiest of the continents, and has the highest …

2 days ago · Antarctica, the world’s southernmost continent, is almost wholly covered by an ice sheet and is about 5.5 million square miles (14.2 million square km) in size.

1 day ago · A new map has unmasked the landscape beneath Antarctica's ice in unprecedented detail, something scientists say could greatly enhance our understanding of the frozen white continent. …

Without any ice, Antarctica would emerge as a giant peninsula and archipelago of mountainous islands, known as Lesser Antarctica, and a single large landmass about the size of Australia, known as …

Aug 9, 2023 · NASA uses satellites to study the ice on Antarctica and how the continent is changing. Scientists want to know how changes in Earth’s climate are affecting Antarctica’s ice sheets.

Antarctica is Earth’s southernmost continent, covering an area of 13.72 million square kilometers, making it the fifth-largest continent by land area. Despite its massive size, Antarctica has no …

2 days ago · The map shows diverse geological features shaping Antarctic glaciers from below, which can improve climate models of ice melt.

Jan 5, 2026 · Visit the Definitions and Notes page to view a description of each topic.

Antarctica is a continent capped by an inland ice sheet up to 4.8km thick, containing approximately 90% of the world’s total surface fresh water (and 60% of the world’s total fresh water).

1 day ago · The biology of Antarctic species is very different; warm things up by just a degree or so, and they could emerge into a very different world.