12,000-year-old remains of puppy were discovered perfectly intact sealed inside permafrost.
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.
Never before has RNA - Ribonucleic acid - sequencing been carried out from so far back in time.
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.