For example, blue whales can primarily be heard in the summer ... as an ocean current transports comparatively warm water to the Arctic there, which in turn sparks high biological productivity.

Feedback is delighted to hear from a reader who proposes an ingenious new unit of data – but we have some quibbles with the maths ...

Gray whales, a signature of the Washington coast, are dying by the thousands, victims of declines in Arctic sea ice.

Thousands of gray whales now migrating north from Baja California are in such poor shape and so few calves were born this ...

Salmon were once a rare sighting in the Alaskan Arctic. But warming temperatures have made them more common up there, and ...

With much of it covered in ice all year round and with no daylight from October to March, the Arctic Ocean is one of ... The white beluga whale is a very distinctive species.

The blue whale genome is 2.4 billion bases in length ... Maybe the US has invaded Svalbard in the interim because Donald Trump forgot which Arctic landmass he wanted. Anyway, here we go.