Mysterious 'gigantic' hole in remote region spotted by helicopters over gas-rich Yamal peninsula.

Avelina Antsiferova fulfilled her life's dream when she sat in cockpit of wartime Douglas C-47, 69 years after kissing her papa goodbye for last time.

A dozen out of the 15 teams finished the race which began three weeks ago.

Experts to visit remote craters to solve the puzzle on their creation.

Pipes are built over bulging and unstable Arctic pingos prone to violent eruptions caused by 'thawing methane gas', as seen twice on the Yamal peninsula this year.

Earth is moving as 'leaking methane gas due to global warming causes surface to bubble' in a new phenomenon.

Scientists say a 'fountain of gas' poured from jelly-like trembling earth in tundra on Belyy Island in northern Siberia.