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.
Reindeer herders find more craters in the far north in a deepening puzzle for scientists.
Reclusive state bordering Russian Far East claims to have 'joined the ranks of advanced nuclear states'.
'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.