Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.

Check out 24 of the world’s must unusual landscapes — from the hellish Darvaza Gas Crater in Turkmenistan to the “snow ...

Rising global temperatures are driving the sharp decline in terrestrial water storage. This trend isn’t likely to change, scientists say.

An overlooked Antarctic water system could raise sea levels by more than 2 meters by 2300, computer simulations show.

A devastating environmental collapse that began in the 1960s is still leaving deep marks beneath the surface of the Earth. According to a new study published in Nature Geoscience, the Aral Sea—once ...

The extent of the Earth’s boundaries and the beginning of space revealed that no astronauts in the history of spaceflight had ...