Photographs show red lights hovering about the ground and then moving vast distances in less than one minute.
Our map shows the attacks by bears on humans across a swathe of Siberia and the Russian Far East.
Scientists unlock intriguing 5,000-year-old secrets of prehistoric illustrators behind Karakol stunning artwork.
Ancient Xiongnu-era woman took stylish accessory to the afterlife.
Flourishing trade in souvenirs and household goods.
Alla loves nothing more than taking pictures of her beloved pets – and it seems the world can't get enough of them either.
Satellites show giant hole ringed by 20 'baby craters'.
As the world prepares to herald in the arrival of 2015, we look back at the winter celebrations of the Soviet yesteryear.