In the creepy crawly world of spiders, this gargantuan South American arachnid cousin has a set of fangs that would make ...

With a 24-foot wingspan, how did the prehistoric Pelagornis sandersi, the largest known flying bird of all time, manage to fly so well? It relied on two key factors: a light frame and an ability ...

The magnificent Andean condor is the world's biggest bird of prey, with a wingspan maxing out at around 3.2m, and weighing up to 15kg ...