Being a mother is a tremendous accomplishment and one of the most challenging jobs in the world. This applies even in the ...

These responsibilities become even more complex for species that produce large litters, where the sheer number of offspring ...

Nature is full of evolutionary selflessness. From deep-sea octopuses to certain marsupials, there are animals and insects that reproduce and then die, as their lives can be cut short because they ...

How many offspring an animal can have depends on many factors, such as whether they're aquatic and how they get around. When you purchase through links on our site, we may earn an affiliate commission ...

The oddball minority of animals that don’t lay eggs includes a tough little snail called a rough periwinkle. Unlike mammals giving birth to kittens and fawns and helpless little humans, this ...