As tensions with Russia rise, 13 Norwegian soldiers have been sent to the far North to test the cold’s effects on their minds, bodies and equipment.

Lightning near the North Pole reveals dramatic climate changes as Arctic temperatures rise and storms intensify.

The amount of marine life off north-east Greenland could expand by more than a quarter, according to new research.

A warm blob of water in the North Atlantic is an ominous sign that a system of currents that regulate the planet's climate ...