Scientists have discovered how an Australian jumping spider's semi-hydraulics allows it to speed jump long distances with ...

This process explains the evolution of features such as peacock tails ... skeleton—common targets in male fights. The study authors hypothesized that human upper limbs may have evolved to ...

A female may choose a male from several because he is attractive ... Looks are certainly important for the peacock, with his absurdly bright, burdensome train that he shows off to attract a ...

Females are a dull brownish gray but — like their namesake, the peacock — male sparklemuffins pull out all the stops in the outfit department. With their striking red and blue backs ...