This week's Outside Story shows how fishers, normally solitary creatures, ever so briefly meet each other during mating season.

Some of their most beloved and sought-after mares simply couldn't have foals safely. To make matters more complicated, in vitro fertilization (IVF) had not yet produced a healthy equine embryo, ...

Take a mama salmon, for example. It lays thousands of eggs at a time which the males fertilize thoroughly. The salmon packs each egg with more yolk compared to an urchin, that means more proteins, ...

Fishers (Pekania pennanti) have a reputation as the northern forests’ ultimate misanthropes. These mesocarnivores are so ...

TAMPA, Fla. — These days almost every industry is turning to artificial intelligence to see how it can improve business, and the world of infertility is no different. New AI technology aims to ...

How does a tiny cluster of cells become an embryo with a head, trunk, and tail? And how do thousands of genes coordinate this development? A new imaging method makes it possible to visualize the ...