The longest earthworm is the African giant earthworm, which can grow up to 6.7m (22ft) long. Worms are tough little creatures. If you accidentally cut an earthworm in half while gardening ...

But one of the most interesting earthworms of all — the giant Palouse earthworm, native to the Palouse prairie grassland — is literally being ousted from its home turf by modern agriculture and other ...