Deep within the flooded chambers of a remote Mexican cave, explorers initially mistook a glinting object for a piece of 21st-century trash. But what they had actually uncovered was something far more ...

A first-of-its-kind painted dog penis bone has been discovered in a Roman quarry shaft in Surrey, an artefact that archaeologists suspect was used in a long-lost fertility ritual. The 13ft deep ...

Romans kept dogs as pets, exemplified in this mosaic from the second or third century A.D. Some of the bones from the ritual deposit in Surrey may have belonged to domestic dogs, but it's unclear if ...