Trackers mark footprints with GPS technology as 2,000 people scour the forests in first count of rare big cat in 10 years.
Hidden video footage helps scientists learn more about female Amur leopards.
Excessive hot, dry weather behind spread of poisonous creature to Ulan-Ude.
Russian Investigative Committee warns dozens of Russians are killed by bootleg gangs.
Three killer whales and baby 'knew we were trying to save them, and were not aggressive'.
Found 30 metres underground at a coal mine, they're dubbed 'Jurassic pearls' or the marbles of a Siberian colossus.
Pioneering research in Novosibirsk can help formulate cures for depression in European people.