Permafrost remains of long-gone woolly rhinos, mammoths and cave lions bring intriguing scientific breakthrough.
Warning of methane blasts in Kara Sea adjacent to Yamal craters caused by gas eruptions associated with melting permafrost due to global warming.
Brain of young female Yuka, preserved in permafrost for 39,000 years, is 'identical' to today's elephants, say scientists.
Leading expert assesses the risk of 'waking up' this deadly disease currently eradicated, and warns that rising Russian levels of HIV brings a far greater risk.
Ancient 'wealthy' young woman was found laid to rest with her horse and weapons by workers who accidentally dug up her burial mound.