Humans, it turns out, can annoy more than just one another. In fact, some animal populations are escaping their Homo sapien cohabitants by sleeping more during the day, a new study finds. Mammals ...

Differences in cellular pathway activity flip the switch from nocturnality to diurnality and explain a major evolutionary change humans have ...

Early mammalian ancestors were nocturnal, sleeping during the day while the dinosaurs dominated the land. However, some mammalian lineages, including human ancestors, independently transitioned to ...

Human activity appears to be making mountain lions in California more nocturnal. According to a new study published in the journal Biological Conservation, mountain lions in the greater Los Angeles ...

Mountain lions are prowling Greater Los Angeles at night to avoid humans exercising on their mountains, a new study finds. The human population of Greater Los Angeles is increasingly using mountain ...

Why are humans active during the day when many mammals thrive at night? New research [1] published in Science suggests the answer lies deep within our cells.Early mammals were nocturnal, avoiding ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. To avoid people, mountain lions (Puma concolor) in the greater Los ...

When the sun disappears, and the world slowly becomes quiet, another world quietly wakes up. While humans switch off lights ...

Nocturnal animals are creatures that become active after sunset, using specialised abilities to survive in darkness. From ...

Some people are night owls, and others are morning larks. Interestingly, research shows there's a difference between their levels of general intelligence. Virtually all species in nature, from ...