Researchers have discovered a new ancient lizard with a remarkable adaptation: four eyes. It's the first known jawed vertebrae to have the distinct feature. The extinct Saniwa ensidens, a monitor ...

Scurrying around forests about 48 million years ago, at first glance you wouldn’t think much of the ancient monitor lizard Saniwa ensidens. But researchers have just uncovered that this lizard was ...

Check your ultra-HD eye vision and IQ—can you snipe the hidden lizard in this stunning Aesthetic Collage Visual Illusion in just 11 seconds? Challenge your observation skills, spot the camouflaged ...

An extinct species of monitor lizard had four eyes, a first among known jawed vertebrates, a fossil study has found. Today, only the jawless lampreys have four eyes, according to researchers at ...