Capable of carrying 200 people and tonnes of cargo, new blimp for the 21st century could soon be taking off.
Our map shows the attacks by bears on humans across a swathe of Siberia and the Russian Far East.
'Second Spring' arrives with rhododendron blossoming for rare encore in October.
Here we go back in time and remember 13 remarkable moments of 2013.
Marina Fokina, 34, screamed at beast: 'Eat me but don't touch my child.'
Famed for the purest water on the planet, but this 'is no longer true' with 'no drinking' warning in southern part of lake.
The rare Amur tigress was saved from starvation more than a year ago after she was orphaned when poachers killed her mother.
Instagrammers still find a way - driving over fields of grass, wild cannabis and nettles to reach turquoise waters despite ‘dangers to health’.
Demands increased on 3 August for a 'state of emergency' to be declared on the world's fifth longest river due to a catastrophic shortage of water.