Lightning near the North Pole reveals dramatic climate changes as Arctic temperatures rise and storms intensify.

A warm blob of water in the North Atlantic is an ominous sign that a system of currents that regulate the planet's climate ...

Flips between warm temperatures to cold and vice versa have become quicker, more frequent and more intense in recent decades, a new study shows.

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Recent climate models predict daunting scenarios of irreversible ecosystem change at Earth’s poles, with those drastic changes in polar regions rippling out to impact the rest of the world.

“In 2002, the widespread knowledge, or acceptance, of climate ... areas. “Both are melting in response to warming temperatures,” says Julienne Stroeve, a professor of Polar Observation ...

A new study has shed unprecedented light on the highly variable and climate-sensitive routes that substances from Siberian rivers use to travel across the Arctic Ocean. The findings raise fresh ...

In some areas where the bears were heavily ... they can no longer hunt seals. If a warming climate shrinks sea ice at projected rates, most polar bear populations will be too nutrient-starved ...