From Alaska to Finland, these are seven of the best places to see the northern lights. Here's how to plan a trip to see the aurora borealis and where to stay.

OP-ED. Economists Christian Gollier, Axel Ockenfels and Catherine Wolfram warn of the risk posed to Europeans by the lack of ...

Under the Arctic sea ice, fish and plankton live in complete darkness, even in midsummer. Ice floes stop the sun's rays, especially if they are covered by snow. As the ocean heats up, the sea ice ...