He is believed to be 20, born in the wild, never went to school, received no vaccinations, and was cut off from civilisation.
Real 'no kidding' story emerges on removal of odd couple Amur and Timur.
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.
Reindeer herders find more craters in the far north in a deepening puzzle for scientists.
Expedition from Urals Federal University finds 300 samples of suspected space debris, clues to the history of the universe.
Scientist warns of 'environmental disaster' due to 'irreversible' pollution in world's deepest and oldest lake.
'Sensational' find of two cubs, the best preserved ever seen in the world, announced today.