Emergency chiefs say that increased activity means tour companies and residents must avoid going too close to eruptions.
Klyuchevskaya Sopka's crater fills with lava amid new volcanic activity.
This is a fun way to stay fit and raise a healthy child, say supporters.
An ash column reached 7 kilometres above sea level on Wednesday morning.
Hot ash tumbled down the mountain's southeastern slope as Bezymianny showed its power.
A new air link between Alaska and the Russian Far East is opening up a new world of adventure tourism to US visitors.
New discovery of rare crystal Rosenbergite at 'burning ice' site where earth is hot despite temperatures of minus 35C.
Yakutia Airlines boosts flights from Alaska to some of the world's greatest, yet most unexplored holiday destinations.
Geysers, active volcanoes, thermal lakes, mountains, Pleistocene glaciers, cascading rivers... and a lot of bears!
Sunbathing in snow and swimming in thermal pool included.