Russian scientists deny theory of respected Italian team by 'proving' that the remote blue lake is older than the famous 1908.
DNA of a fossil tooth found in the Altai Mountains shows early man and his best friend were together 19,000 years earlier than previously understood.
Giant holes created when pingos erupted after filling with gas.
Emergency services refuse to comment cause of extraordinary blast in the dark sky.
Earth is moving as 'leaking methane gas due to global warming causes surface to bubble' in a new phenomenon.
Experts to visit remote craters to solve the puzzle on their creation.
Scientists say there is growing evidence that rising temperatures were catalyst for massive unexplained holes in ground.
More craters expected to form due to such eruptions as permafrost melts - and they ARE caused by global warming releasing methane gas.
International researchers have gleaned these extraordinary hidden scientific secrets by drilling 318 metres into a unique lake in northeastern Siberia.