Never before has RNA - Ribonucleic acid - sequencing been carried out from so far back in time.
DNA tests on the 18,000-year-old Siberian canine cannot define if it's a wolf or a dog.
New find in 'perfect condition' just two metres from 2011 discovery of 12,400 year old dog.
Cloning hope after autopsy of 'pet' frozen in permafrost since pre-historic times.
12,000-year-old remains of puppy were discovered perfectly intact sealed inside permafrost.
At least five species of ancient animals will walk again in Siberia, predicts South Korean cloning expert.
Scientists from Novosibirsk-based Vector are working in Yakutia on a paleo-virus experiment.