Researchers propose that humans may still have an internal Moon clock, but its coupling to lunar phases is dimmed by ...

Just as the circadian rhythm keeps time with the 24-hour rotation of the Earth, many organisms also track the slower rhythm ...

Blue is remarkably rare in nature because true blue pigments are almost non-existent in living organisms. Instead, most natural blue results from stru ...

Most animals, including humans, carry an internal lunar clock, tuned to the 29.5-day rhythm of the Moon. It guides sleep, ...

Imagine you are a kind of fish called a goby, part of a huge family of more than 2,000 species. Maybe you're of average size ...

Katie Hinde, associate professor in the Center for Evolution and Medicine at Arizona State University, is a lactation ...

If you love figs, you may have heard some unsettling lore about them: that every fig hides a wasp, because these insects need ...

Not every plant is harmless. This pretty and popular shrub could be inviting unwanted guests, like ticks, which carry a ...

Scientists found nanoplastics entering farm animal cells, raising new concerns for food safety and animal health.

PHOENIX — After a week of historic rainfall across the Valley, mushrooms are popping up in parks, lawns, and even along ...