Startling evidence on climate change links warming and cooling between the Arctic and Antarctic.
Officials promise to monitor situation after four-fold increase in size since February.
Expedition to the world’s biggest permafrost ‘crater’ in Yakutia seeks secret of taming antimicrobial resistance.
Visitors ‘risking their lives’ to witness spectacular formation of second cone on Klyuchevskaya Sopka in Kamchatka.
Scientists presented unique discovery made inside the Batagai crater in Yakutia.
Gas bubbles from waters filling crater hole on Yamal peninsula two months after volcanic-style explosion in thawing permafrost.
Destruction of trees by flames could see Batagai Depression ‘rapidly enlarge’ while remote local settlements also threatened.
Tuim Hole first appeared 62 years ago and has sheer 120 metre cliffs reaching down to its deep turquoise waters.
Concern from scientists over potential danger to gas production facilities in region vital for energy supplies.