Mysterious 'gigantic' hole in remote region spotted by helicopters over gas-rich Yamal peninsula.
Unveiled: two extinct cave lions - dug from the permafrost - make their first appearance since Pleistocene times.
Or is it too expensive to put the environment before the need for energy?
Expert warns females should take special care, especially once they reach menopause.
Fresh blood discovery by scientists in remains of extinct creature as experts start research this month in hunt for live cells.
Meet the woman who says: 'I will always be there for my maniac'.
Capable of carrying 200 people and tonnes of cargo, new blimp for the 21st century could soon be taking off.
Dmitry Medvedev rejected plans to set up a State corporation to run the economy in eastern Siberia and the Far East.