A ground-breaking New Zealand trial has discovered a cheap treatment given only once every five to 10 years can prevent devastating bone fractures in women who have gone through menopause.

Zoledronate prevents fractures in older women when administered every 12 to 18 months, but its effects on bone density and bone turnover persist beyond 5 years. Whether infrequent zoledronate ...

A "serrated blade" found sticking from a rock in the United Kingdom has been identified as a "nearly perfect" prehistoric shark tooth, experts say. It belonged to a Squalicorax falcatus shark ...