An ash column reached 7 kilometres above sea level on Wednesday morning.

Mother in heart-rending nationwide appeal to find loving mother and father she can trust to raise her boy when she is gone.

Tattooed 2,500-year-old princess found mummified and preserved in permafrost could finally be reburied in special monument.

Reclusive state bordering Russian Far East claims to have 'joined the ranks of advanced nuclear states'.

Reindeer herders find more craters in the far north in a deepening puzzle for scientists. 

'Absolutely stunning' ancient ornaments discovered with no known comparisons, presenting a puzzle for archeologists: which culture made this?

Eurasia will split in two, dividing the world's largest land mass in southern Siberia.

After archeologists dug up the ancient mummy - preserved in permafrost - natural disasters were unleashed in Siberia, court told.

Experts still divided over mysterious 1,300-year-old fortress-like structure located on island in middle of lake.