A myriad of colours that survived millions of years of evolution have disappeared in a short period of time. The culprit? A ...

From three morphs to one: Across 220 populations, the pattern is consistent: where "Hulk" arrives, yellow and orange throat ...

A newly evolved, aggressive “Hulk” wall lizard is spreading out from the Rome region — and researchers are watching a million-year stable system unravel in real time. From three morphs to one: Across ...