Sealed off by a landslide: a cave of ancient bear bones at Chauvet, in France, was shut off by a landslide 30,000 years ago. Illustration: Michael Viney

It was Oscar Wilde’s father, William, a Dublin surgeon-naturalist, who decided in the 1860s that it was time some order was put on the thousands of bo(...)

Radiocarbon dating of the bear’s knee bone, one of some 15,000 bones found in the cave, confirmed it was 12,500 years old. Photograph: James Connolly

A study of an animal bone discovered in a Co Clare cave more than a century ago has led archaeologists to push back the date when they believe humans (...)

Genetic heritage: protection of the red deer is a priority. Illustration: Michael Viney

A rifle-mounted video camera is showing us what the hunter is seeing through his telescopic sight: a confused intersection of mossy trunks and branche(...)