But has he put his Big Foot in it? Professor Valentin Sapunov hits the headlines round the world with the claim.
Tsar's daughter may, after all, have escaped the execution which wiped out the royal family, says new book.
Tigre de Cristal under fire for 'abusing' rare big cat to promote gambling revolution.
Students and male 'accomplice' to face justice accused of torturing and killing dogs and cats, posting pictures online, and other crimes.
Thanks to Novosibirsk scientists we can see how she looked in real life, the vivid colours she wore and her stylish headdress. And her beauty secrets!
Monuments to the Bolshevik leader are the key to a new competitive sport called Lenining.
She has lived in the wilderness for 71 years but famous Old Believer faces the cameras to deliver world a message for first time.
Satellites show giant hole ringed by 20 'baby craters'.
Serious and immaculate, her haunting image is barely visible on tsarist-era Krasnoyarsk pictures, only spotted now, with new technology.
Blocks of soil and ice thrown hundreds of metres from epicentre of the funnel at the Yamal peninsula.