At Vostok Station on 21 July 1983, the air fell to −89.2 °C, the lowest natural temperature ever recorded on Earth. That is Antarctica in a single fact and a single breath: the coldest, driest, windiest continent, lying almost entirely south of the Antarctic Circle and wrapped by the Southern Ocean.

It is also vast, with an area of 14.2 million km2, about 40% larger than Europe, yet it remains the least-populated continent. Around 70% of the world's freshwater is locked in its ice, and the Antarctic ice sheet averages 1.9 km in thickness. If it all melted, sea levels would rise by almost 60 metres.

The name itself has an older history than the map. Aristotle wrote of an Antarctic region around 350 BC, and the word passed through Greek, Latin, Middle French, and Middle English before John George Bartholomew helped settle on Antarctica in the 1890s. Long before that, Europeans imagined a Terra Australis to balance the lands of the north.

The first hard glimpse came in 1820, when Fabian Gottlieb von Bellingshausen and Mikhail Lazarev, on the Russian expedition, sighted an ice shelf. Edward Bransfield saw the Trinity Peninsula three days later, and Nathaniel Palmer followed in November. In 1821, John Davis made the first documented landing, though the claim remains disputed.

The age of heroic reaching followed quickly. In 1895, a Norwegian team made the first confirmed landing on the continental mass at Cape Adare. Then in 1909 Douglas Mawson, Edgeworth David, and Alistair Mackay reached the magnetic South Pole, and on 14 December 1911 Roald Amundsen reached the geographic South Pole from the Fram, while Robert Falcon Scott arrived a month later.

Antarctica then became a place of science as much as ambition. The 1959 Antarctic Treaty, signed by twelve countries including the United Kingdom, the Soviet Union, Argentina, Chile, Australia, and the United States, set it aside for peaceful research. Military activity, mining, nuclear explosions, and nuclear waste disposal were all prohibited.

That treaty still shapes the continent's human life. About 30 countries are parties to the system, and around 5,000 people stay in research stations during the summer, falling to about 1,000 in winter. McMurdo Station can house more than 1,000, while the British Antarctic Survey runs five major stations, one of them portable.

The continent's danger is no longer only cold and distance. In 1985, British scientists using data from Halley Research Station discovered the ozone hole, caused by chlorofluorocarbons and halons. The Montreal Protocol of 1987 curbed those emissions, and the hole is expected to fade back towards 1980s levels by the 2060s.

Yet the ice still answers to a warmer world. The West Antarctic ice sheet is considered the most uncertain factor in century-scale sea level projections, and melting there also affects the Southern Ocean overturning circulation. Antarctica is not empty, either: penguins, seals, krill, lichens, mosses, and the tiny midge Belgica antarctica all endure there.