(CNN)-- Scientists studying the carcass of what they call the heaviest squid ever found have discovered it has eyes as big as soccer balls -- reportedly the largest in the world. The colossal ...

From eyes the size of a dinner plate to 360-degree vision, these animals boast extraordinarily efficient ways of seeing. Meet the creatures with the most crafty, strange and sophisticated eyes in the ...

Snails have a reputation for being slow, with poor eyes that can barely see the world around them. But conch snails defy these expectations with eyesight as good as some vertebrates. These marine ...

Tourists wanting a bird's eye view of Big Ben, St Paul's Cathedral and Buckingham Palace have put the London Eye in the ranks ...