Antarctica (/ ænˈtɑːrktɪkə / ⓘ) [note 1] is Earth 's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean …

2026年1月5日 · 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.

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, …

2026年1月5日 · Visit the Definitions and Notes page to view a description of each topic.

2025年9月25日 · Though Antarctica is really, really chilly, it is considered a desert because it receives very little rain or snowfall. The small amount of snow that does fall does not melt but …

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 …

2025年12月27日 · The continent’s ice is melting and raising sea levels worldwide. Our journalists will be sending regular dispatches as they head there with scientists trying to gauge the dangers.

Antarctica is a place of extremes. It is the coldest, highest, driest and windiest continent on Earth. This factsheet gives fascinating details of Antarctica’s geographical statistics – its area, length, …

2025年4月17日 · Antarctica is the coldest, windiest and driest continent on Earth. The Antarctic ice sheet contains about 7.2 million cubic miles (30 million cubic kilometers) in an area just …

2023年9月8日 · Antarctica is likely warming at almost twice the rate of the rest of the world and faster than climate change models are predicting, with potentially far-reaching implications for …