Now, a new study has revealed a surprising clue to answering this question: snail shells. Scientists at the Institute of ...

Solvin Zankl (Germany) carefully watches a two-coloured mason bee build the roof of its nest. While exploring a favourite haunt in central Germany, Solvin came across several tiny piles of sticks on ...

The greater Bermuda land snail was thought to have disappeared for many years until an empty shell turned up in the territory's capital city, Hamilton. Live snails were then found among litter in ...