Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

Other penguins that have limited diets are more threatened by changes coming from a warming ocean and the makeup of the food chain. But king penguins — which are so abundant they are considered a ...

Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.

Domestic pigs reproduce through a breeding process that is closely managed on farms around the world. During mating, a male pig, known as a boar, mounts the female, called a sow, in a behavior driven ...

For the past decade, CERES TAG has worked alongside producers, not looking to replace traditional knowledge, but to ...

The Amazon rainforest is often associated with jaguars, parrots, and towering trees. Yet the majority of animal life in this ...

One of the most popular explanations for why menopause evolved in some species is called the grandmother hypothesis. Essentially, older females stop having offspring of their own, and redirect energy ...

Have you ever seen a litter of kittens where no two fur babies look alike? A mix of ginger, tabby, and maybe a black one?

A national movement called #ExecuteAWA believes the country has reached a tipping point and compassion alone is no longer ...

A new study shows that as humpback whale populations recover from past whaling, older males are gaining a major advantage in reproduction. Early in the recovery, breeding groups were dominated by ...

Scientists have long focused on rising temperatures to understand how climate change is reshaping the natural world. But ...

Invasive species are all over America, and it’s very likely you may have seen them in your own backyard. Some species are so ...