There's no other experience on Earth quite like witnessing the northern lights. Also known as the aurora borealis, this spellbinding phenomenon – when brilliant hues of green, yellow, red and purple ...

The GLIMS initiative has created a unique glacier inventory, storing information about the extent and rates of change of all the world's mountain glaciers and ice caps. The GLIMS Glacier Database was ...

Which ship will deliver your idea of an Alaska “bucket list” experience comes down to your travel style, preferences and ...