Woolly mammoths may have roamed Canada 1,000 years longer than previously thought
A new method to extract DNA from sediment provides insight into the history of mammoths and horses
A version of this article originally appeared on Science Friday
The ground is softening. Something is shifting in Antarctica's McMurdo Dry Valleys
The first water measurements here were taken in 1903. Long-term monitoring since then tells the tale of an abrupt ecosystem shift
A version of this article originally appeared on Eos
Faraway cities are sending their heat to the Arctic's ecosystem
Even in the remote high latitudes, a new satellite study sees rising temperatures and spreading green belts around cities
A version of this article originally appeared on CBS News
Herds of migrating horses and reindeer could keep the Arctic ground frozen
Reintroducing animals to break up insulating snow patches could save permafrost layers