But their free-eating diets and limited physical activity contribute to a disruption of life rhythms, such as circadian ...

In contrast to the king penguin's apparent success, abrupt shifts in breeding patterns negatively affect many penguin species ...

King penguins are currently thriving and raising more chicks as the sub-Antarctic region warms, but scientists worry about ...

The warming world has disrupted the timing for plant and animal reproduction, and it's usually bad news for species that depend on each other – like flowers blooming too early and pollinating bees ...