A large retrogressive thaw slump on the Noatak river; the top of the slump is ~900 feet above river water level. Retrogressive thaw slumps are caused by thawing of ice-rich permafrost and ...

All of this means that Siberia "boasts perhaps the largest thaw slump on the planet", said the BBC. The slump's expansion is "a sign of danger", Nikita Tananayev, lead researcher at the Melnikov ...

The Batagay crater isn't actually a crater at all. It's the world's largest "retrogressive thaw slump," a pit that forms when ...

The irony is that this precious equipment is there to measure the very cause of its demise: Abrupt permafrost thaw, where the ice-rich permafrost beneath these Northern landscapes—frozen solid for ...

The spring thaw continues Wednesday and Thursday. It’s not without a few bumps on the way, however. Rain is slowly marching ...

Caption Viewing a permafrost thaw slump in virtual reality (VR) on Qikiqtaruk – Herschel Island in the Canadian Arctic. "This VR experience brings to life the spectacular setting of Qikiqtaruk ...