The changing climate poses a major threat to polar bear survival. But new research suggests that rising temperatures may be altering polar bear DNA in ways that help them adapt and endure in increasingly challenging environments.

Scientists found that sea ice cracks, pollution, and cloud formation interact to amplify Arctic warming faster than expected.

Despite crushing pressure, total darkness and near-freezing temperatures, researchers found an underwater world teeming with life.

Scientists have known for years that the Arctic has suffered from more warming than the rest of the world. But a new study shows that it's much worse than previously thought. Researchers have long estimated that the Arctic warms twice as fast as the rest ...

Scientists used drones to collect whale breath and detect harmful viruses early, helping protect whales in Arctic waters.

Temperatures in the Arctic last year were among the highest on record, and the region continues to see the dramatic shifts that put it at the cutting edge of climate change’s effects, according to a report released Tuesday by the National Oceanic and ...

Over the past decade, an increasing number of orange rivers and streams have been found in Arctic Alaska’s Brooks Range. These waters tend to be more acidic, turbid, and have higher concentrations of iron than their clear water counterparts.

Trump’s turn toward Greenland is not a “surprise.” On the contrary, it is a direct manifestation of the re-emergence of imperial reflexes in the 21st century. As the global system is once again reorganizing around rigid hierarchies among great powers,

At first glance, Greenland appears almost as large as the entire continent of Africa on many world maps. In reality, Greenland is about 14 times smaller than Africa.