Add Yahoo as a preferred source to see more of our stories on Google. Dragonfly pose smiling. Do they have a mouth structure like that, yes smile sweetly and pose when photographed. Amazing.© Reno ...

Animal eyes look strange to us for a reason. Different pupil shapes, orientations, and structures allow animals to see the world in ways humans never can. Some are built to hunt in darkness, others to ...

While there are organisms, like the Pacific lamprey and the star-nosed mole, that move through the world without the benefit of sight, most have evolved to communicate and interpret information ...

After losing its original eyes, one of our distant ancestors may have done what evolution does best: tinkered with what was available, reshaping a single central visual organ into two new eyes. That’s ...

Nature has developed some truly bizarre ways for animals to see the world around them. Some creatures have strangely shaped pupils, while others can see in multiple directions at once or detect colors ...