Challenge to polar doom warning from respected international expert Professor Peter Wadhams of Cambridge University.
Investigators find one billion roubles in currency and expensive jewellery, including a diamond-encrusted pen, as official faces corruption charge.
Wife pleaded with rescuers to search for the businessman saying: 'We feel that our man is dying.’
Cub was shot in the legs but there are fears the mother was also slain by poachers.
When Vadim Kolpakov went on an expedition to the north of Irkutsk region, he had no inkling of the sensational discovery he was about to make.
The 19th century vessel - formerly the Royal Navy's HMS Pandora - sank as Americans raced to be first to North Pole.
Tsar's daughter may, after all, have escaped the execution which wiped out the royal family, says new book.
Mysterious 'gigantic' hole in remote region spotted by helicopters over gas-rich Yamal peninsula.
Countless political prisoners perished here cut off from the world - but today Kolyma finally is getting connected.
In distant times, parts of California and Hawaii were administered from the city of Irkutsk.