Secret KGB documents and a book by ex-FSB colonel kickstart 100 year old search for missing Romanov treasures and valuables.
Nearby mothballed uranium mine caused the poisoning which led to severe drowsiness, say scientists.
Scientists say a 'fountain of gas' poured from jelly-like trembling earth in tundra on Belyy Island in northern Siberia.
Teenager is set on fire before diving five floors into a pile of snow.
Pike with primeval horns from River Irtysh puzzle experts: did rocket pollution lead to mutant fish?
In the most extreme conditions, the unimaginable can happen.
Sinister discovery ‘not criminal’ say Investigative Committee, claiming limbs wrongly disposed of by a forensic lab where stored.
Stories in the pro-government Chinese media are deleted after mysterious claim of territory giveaway.