Niamh Gavin and her four kids usually walk their dogs on Sweet Nellie's Beach in Greencastle in the Irish county of Donegal. Most of the time it’s an uneventful outing, but last month they came across ...

Showy peacock feathers, extravagant elk antlers and powerful crayfish claws are just a few examples of the ostentatious animal extremes used to compete for and attract mates, a process called sexual ...

Narwhals have been caught on camera colliding with deep ocean monitors. The mysterious toothed whale species native to the Arctic have been involved in “hundreds” of incidents with underwater ...