The estimated 18,000-year-old dog was discovered in Russia last year in frozen mud.
A cave lion cub and a massive mammoth's foot also were recently found in melting permafrost.
The work follows unprecedented flooding caused by melting of the surrounding permafrost.
All is not lost, researchers warn, but we need to act swiftly.
To go to Greenland was mind blowing, heartbreaking, painfully beautiful and terrifying, all at the same time.
There was skepticism from at least two of the three-judge panel about whether they could hear a challenge before the rule is finalized. Judges Griffith and Kavanaugh both questioned whether the rule making was "extraordinary" and requiring of immediate court review.
The Green News Report is also available via... IN TODAY'S RADIO REPORT: Climate change-denier Sen. Rand Paul is running for
Climate change stands to trigger a regime change in Alaska, with far-reaching consequences as frozen ground thaws beneath us, a prominent University of Alaska Fairbanks scientist told the Tanana Chiefs Conference on Tuesday. "When you thaw the permafrost, everything falls apart," said hydrologist Larry Hinzman.
In order to become once again the owners of our destiny and future, we must implement a profound transformation of thought: we need to create a new relationship between the power of human beings and the ecological system of our planet.
This is serious, and unexpected observations concerning the stability of Arctic methane stores, even globally trivial ones, should bring us back to a vastly more important public conversation from last year.