Haunting beauty of massive hole as scientists examine frozen lake formed after giant blowout.

Man ‘caused some of the tundra blasts forming the large holes’, says leading scientist in surprising new theory.

Scientists from Novosibirsk-based Vector are working in Yakutia on a paleo-virus experiment.

Worrying videos and pictures show how the pristine polar region of northern Yakutia is ablaze.

Winter comes to summer including freak hailstorms, mega-flooding but also wild fires.

Local reindeer herder witnessed the tundra explosion that led to birth of new hole in river.

Russian ecologist says his undercover trip shows Arctic ecosystem is irreversibly damaged, as whistleblower in ecological watchdog quits and leaves town.

Toxic fuel from 21,000 ton leak reaches pristine lake, bypassing floating booms, as rivers of diesel pollution cover-up is exposed.

Challenge to polar doom warning from respected international expert Professor Peter Wadhams of Cambridge University.