Swim along the edge of a coral reef and you'll often see schools of sleek, torpedo-shaped fishes gliding through the currents, feeding on tiny plankt ...

The dog collar is believed to have been invented in 3500 BC Mesopotamia, based on a wall painting of a man with a collared ...

Here are some pictures of your adorable animals on National Pet Day 2025 - take a look and spot yours among this lovely collection of readers' pets ...