Picture a primordial Earth: a world of muted browns, greys and greens. Fast forward to today, and Earth teems with a ...

Picture a primordial Earth: a world of muted browns, grays and greens. Fast forward to today, and Earth teems with a ...

So why evolve bright warning signals when camouflage could also deter predators? The answer lies in the local predator ...

Mr. Cañas-Valle’s discovery, described in the journal Ornithology in November, may be the first documented example of ...

Above the shores of prehistoric seas and lakes, pterosaurs roamed the skies. They were feathered creatures that ranged in ...