Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

In this combination of photos provided by researchers, a wild male chimpanzee drums on a buttress tree while producing a pant-hoot call as he joins his groupmates in the Budongo Forest of Uganda in ...

Different chimp troops drum with "distinct" rhythms, reveals new research. The primates use regular spacing between beats, according to the study. The "exciting" findings suggest that the ability to ...

In the design of robots built to emulate dogs, fish or birds, incorporating different rhythms into their standard cruising movements can make their normal operations more efficient. And those optimal ...

These numbers tell the story of the Los Angeles wildfires, one year later CIA turncoat Aldrich Ames, who sold US secrets to the Soviets, dies in prison at 84 Pamela Smart seeks to overturn conviction ...