The lights in the sky have occurred since the dawn of our planet. Dinosaurs walked under them, just as we do today. They are a constant of our world – always there, even when it’s too bright for us to see them. But what are they and how are they created?

The Fram II expedition: A sensational adventure in northern Greenland Legendary explorer Otto Sverdrup and his crew made the Fram II expedition one of the most fruitful expeditions in history.

If your list for wanted vacation experiences involves volcanoes and lava fields, hot springs, geysers, glaciers and waterfalls, there is really just one place on earth you can go. Welcome to Iceland.

Svalbard’s vast landscapes of rock, ice and sea provide a home for a remarkably diverse batch of inspiring creatures.

With towering mountain ranges, deep fjords and vast forests, Alaska offers a diverse landscape that caters to an impressive variety of wildlife.

The Northwest Passage is an unspoiled oasis across the High Arctic. Its animal life of musk oxen, caribou, seals and polar bears migrate to more comfortable climes or adapt to the icy landscape.