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 ...

Lizards sometimes appear to be artifacts from bygone world, but many are more dynamic we may think. This week, we take a look at some reptiles that are doting parents, bloody brilliant, and just plain ...

Scientists have found that an ancient species was a proud owner of two sets of eyes - an extinct monitor lizard. This is the first time that a terrestrial animal has been found to have such a number ...

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 ...