Marine reptiles have evolved multiple times from terrestrial ancestors. The group encompasses diverse lineages that invaded the sea during the Mesozoic and Cenozoic eras. Key radiations include the ...

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Kronosaurus Kronosaurus queenslandicus is a sort of large short-necked marine reptile called a pliosaur. How big was it?

Long dismissed as unintelligent, reptiles are emerging as cognitively and emotionally complex animals. A new study involving tortoises suggests that they also possess mood states. By Brandon Keim ...

Reptiles living in open habitats generally have brighter colouration than species living in denser vegetation. This is shown in a new study from Lund University in Sweden. The results suggest that ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have described a new species of procolophonid reptile, notable for its unique teeth and jaw, found at a fossil hotspot ...