Melt water on Mars could sustain life

Near surface water has shaped the landscape of Mars. Areas of the planet's northern and southern hemispheres have alternately thawed and frozen in recent geologic history and comprise striking similarities to the landscape ...

With climate changes, polar bear and brown bear lineages intertwine

Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...

Arctic snow harbors deadly assassin

Heavy and prolonged snowfall can bring about unexpected conditions that encourage fungal growth, leading to the death of plants in the Arctic, according to experts.

First comprehensive geological Arctic map published

Canada has unveiled the first comprehensive Arctic atlas, detailing geological features that point to where oil and gas, gold and diamond deposits are likely hidden beneath snow and ice.