By trampling snow and opening terrain, they could slow carbon release from thawing permafrost. Permafrost is ground that remains completely frozen and acts as a cocoon, locking in decaying plant ...

The vast frozen terrain of Arctic permafrost thawed several times in North America within the past 1 million years when the world's climate was not much warmer than today, researchers from the United ...

But scientists are also concerned with the melting of something called permafrost — a layer of ground that can remain frozen for long periods of time, trapping ancient microbes and other pathogens as ...

Geophysics is broadly the study of the physics of planetary bodies and atmospheres, including the flow of energy through these systems. The term may also be used more narrowly to describe the ...