Scientists revived an ancient frozen Siberian virus.

Thawing permafrost may release greenhouse gases much faster than previously expected, potentially accelerating climate change ...

Permafrost sounds permanent, but there’s a catch: the top portion, called the active layer, freezes and thaws every year. In ...

Experiments by University of Leeds researchers, published in Earth's Future, have shown that thawing of permafrost makes it between 25 and 100 times more permeable, allowing more climate change ...