The Greenland sharks (Somniosus microcephalus), who are the world's longest-living vertebrate and one of the world's longest-living animals. The Greenland shark (Somniosus microcephalus) is no ...

Across the top of the world, the frozen ground that once locked away ancient gases and kept ecosystems stable is starting to ...

This image, taken from the aircraft King Air — the left wing is visible at the bottom right, shows an open lead and the overlying nascent clouds commonly referred to as sea smoke. Sea smoke forms when ...