Model Amina Karat, 34, poses on the Saamys-Kumaga sands in Yakutia.

Vital for making its waters so 'pure', one theory is that rising underwater methane leaks are killing off the sponge, but is there a silver lining?

Warning of methane blasts in Kara Sea adjacent to Yamal craters caused by gas eruptions associated with melting permafrost due to global warming.

Prehistoric Siberians lived in Denisova Cave earlier than scientists realised - new claim based on state-of-the-art technology.

Built just five years ago, western sanctions over Ukraine stop international cooperation at climate change research facility in Arctic.

Viewers can watch life in the depths of Lake Baikal round the clock.

Spaso-Zashiverskaya has survived wars, permafrost, and a smallpox outbreak that wiped out its congregation.

Palaeontologist says osteoporosis could have been major contributor, brought on by a lack of minerals in habitat from climate change.

Trackers mark footprints with GPS technology as 2,000 people scour the forests in first count of rare big cat in 10 years.