Frantic efforts to save the wrong-turn birds from harsh cold.

A grave on Lena River sand bank ‘proves site north of Yakutsk city is not historic original Cossack settlement’ in coldest region.

Darina now on the way to a longed-for normal childhood thanks to pioneering British treatment - and our generous readers.

Poaching, climate change and excessive hunting caused colossal population drop.

Intriguing evidence from well-preserved calf Yuka of ‘cobra hood-shaped bulge’ on trunk that is absent in modern elephants