These extraordinary pictures give graphic new evidence of climate change.
Aware of accounts of mysterious relic reptiles lurking in the deep, here are the first pictures from a record breaking dive.
Fresh blood discovery by scientists in remains of extinct creature as experts start research this month in hunt for live cells.
Auction house Sotheby's in Paris is offering a complete mammoth skeleton, and it is expected to sell for up to 250,000 euro.
Unknown ancient people left the newly discovered fantastical creatures hewn of granite in Altai Mountains.
Described as 'wonders of nature', explore two of the most fascinating places on earth where the warm sand dunes meet the icy steppe.
Satellites show giant hole ringed by 20 'baby craters'.
The prospects of a cloned mammoth is nearer after the sensational discovery of 'living cells' from the ancient creatures in northern Siberia.