Many animals are nocturnal, diurnal like humans, or crepuscular, adapting sleep patterns to avoid competition and ensure ...

A new study reveals alarming data on leopard attacks in South Gujarat, showing that these big cats have killed over 9,500 ...

A new study found mountain lions in the L.A. area are shifting to a later schedule to avoid people, a hopeful coexistence ...

Animals cry at night to communicate safely. The quiet and darkness help them avoid predators and make their calls travel ...

Of all the great films 2016 had offered us moviegoers, “Nocturnal Animals” is perhaps one of the more unforgettable ones. It’s a thing of beauty; a spellbinding psychological thriller that claws its ...

"Mountain lions are already nocturnal animals," Bolas told NPR. "Generally, the mountain lions that live in areas with a lot of recreation—for example, Griffith Park or the Verdugo Mountains ...

A new study led by a team of biologists from Louisiana State University has discovered that the nocturnal home ranges of barred owls were about three-and-a-half times larger than their diurnal home ...

These findings are consistent with previous studies that suggest mammals across the world are becoming more nocturnal in response to human activities, and that predators like mountain lions will ...

This breakthrough reshapes our understanding of the genetic origins of stem cells, offering a new perspective on the evolutionary ties between animals and their ancient single-celled relatives.