Animals like rabbits, house cats and deer are neither nocturnal nor diurnal. Instead, they're crepuscular. Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology ...

Internal biological clocks, also known as circadian rhythms, are universally shared by living organisms, according to the University of Illinois Urbana-Champaign’s Agricultural, Consumer & ...

A global study published in Science Advances and co-led by Appalachian State University’s Dr. Zach Farris shows that vast ...

There are nocturnal animals (active at night) and diurnal animals (active during the day). But what about those animals that are most active during dawn or dusk? The animals that are busy during these ...

Considerable research is aimed at developing predictions of ecosystem responses to climate change, focusing on the spatial scale, such as range shifts and contractions, as well as activity ...

Bees occupy a central role in pollination, and their success in locating and utilising floral resources depends critically on their visual systems. Recent advances in imaging and quantitative analyses ...

It's no secret that jet lag and night-shift work can wreak havoc on the way our body's internal clock syncs up our daily wake-sleep cycle, known as circadian rhythm, but now researchers say they are a ...