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 Greater Antarctica. These regions have different geologies.

Oct 19, 2023 · An aurora is a natural light display that shimmers in the sky. Blue, red, yellow, green, and orange lights shift gently and change shape like softly blowing curtains. Auroras are only visible at night, and usually only appear in lower polar regions. Auroras are visible almost every night near the Arctic and Antarctic Circles, which are about 66.5 degrees north and south of …

Antarctica’s name alone conjures imagery of the harshest environment on Earth, but it is more than its monochromatic color scheme of snow and ice. Meet the many species of penguins that waddle and swim through the freezing water, along with an abundance of other life, on a journey south with quantitative ecologist Dr. Heather Lynch .

May 8, 2020 · The Campaign For Nature wants to inspire you to find inspiration in nature. Check out this recap of the stories we shared during week two of our #30DaysofHope leading up to the International Day for Biological Diversity on May 22.

Mar 17, 2021 · These include the Mid-Atlantic Ridge (a massive underwater mountain range), the Mascarene Plateau in the Indian Ocean, the Nazca Ridge off the west coast of South America and the Southwest Indian Ridge, between Africa and Antarctica.

Most of the world’s glaciers exist in the polar regions, in areas like Greenland, the Canadian Arctic, and Antarctica. Glaciers also can be found closer to the Equator in some mountain regions. The Andes Mountain range in South America contains some of …

The largest polar desert is Antarctica, at 13 million square kilometers (5 million square miles). Antarctica boasts the lowest official temperature recorded on Earth: -89.2 C (-128.6 F), recorded on July 21, 1983.

Oct 19, 2023 · Join National Geographic photographer Paul Nicklen for an unparalleled virtual reality tour of Antarctica, where he took incredible 360-degree footage of the breathtaking landscape and his encounters with wildlife.

Today, continental glaciers cover most of Antarctica and the island of Greenland. Massive ice sheets covered much of North America and Europe during the Pleistocene time period. This was the last glacial period , also known as the Ice Age .

Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth’s subterranean movements. The theory, which solidified in the 1960s, transformed the earth sciences by explaining many phenomena, including mountain building events, volcanoes, and earthquakes. In plate tectonics, Earth’s outermost layer, or lithosphere —made up of the crust and ...