'Spy plane' was monitoring Siberia under Open Skies treaty aimed at reducing tension after Cold War.
Samples taken from extinct animal’s leg during international workshop in the hope of one day bringing the hairy creature back from the dead.
New find expected to 'change our understanding of the evolution of animals'.
12,000-year-old remains of puppy were discovered perfectly intact sealed inside permafrost.
New find in 'perfect condition' just two metres from 2011 discovery of 12,400 year old dog.
How horseracing and equestrian culture is developing in the Sakha Republic.
Cloning hope after autopsy of 'pet' frozen in permafrost since pre-historic times.
Samples taken from cubs frozen in permafrost for at least 12,000 years.