Standing two metres tall, the giant deer was assumed to be extinct about 10,300 years ago, but new research finds it was still alive across Siberia.

Proposals have been made for high speed trains to run on two routes between Omsk and Novosibirsk, and Novosibirsk and Krasnoyarsk.

As a debate is underway on culling as many as 250,000 reindeer due to overgrazing, Research Professor Bruce C Forbes warns against some proposed solutions.

Unveiled: two extinct cave lions  - dug from the permafrost - make their first appearance since Pleistocene times.

Concern from scientists over potential danger to gas production facilities in region vital for energy supplies.

'This is a very good signal to the Russian and international energy markets', Russian president stressed. 

Many prehistoric creatures craved salt and vital minerals missing from their diets due to abrupt climate change, suggests a new scientific expedition.