Russian scientists hopeful of finding traces of cosmic matter left after the explosion.

A space expert said that the Earth could possibly face another collision with an asteroid as soon as next February.

Expedition by leading chemistry institute finds area where it fell.

Russian scientists deny theory of respected Italian team by 'proving' that the remote blue lake is older than the famous 1908.

Scientists give startling theory for 1908 Tunguska Event in Siberia which had force of 185 Hiroshima bombs.

'We possess a rock from the time of genesis,' announces expert.

The sensational discovery could lead to a much clearer understanding of a blast which was 1,000 times more powerful than the Hiroshima bomb.

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

A helicopter carrying ammonite - used to break ice - crashed in Irkutsk region after 'exploding in mid air'.

When Vadim Kolpakov went on an expedition to the north of Irkutsk region, he had no inkling of the sensational discovery he was about to make.