Spikes of carbon-14 in tree rings may be linked to solar flares, but evidence of the havoc-wreaking 1859 Carrington event has proven elusive until now.

There are polar bears wearing Santa hats and red-nosed reindeer pulling Santa’s sleigh. Turtle doves and the partridge in a pear tree are also immortalized in the song “The Twelve Days of ...

A new visual illusion is putting Brits’ brain power to the test - the trees are easy to see but can you spot the polar bear in under seven seconds amongst the snowy landscape?

A pedigree of 4449 polar bears in Canada uncovers the family secrets of six generations, including the first reported case of identical polar bear twins, six adoptions and one case of sibling ...