For backyard chickens, the number 18 means the same thing. Eighteen weeks is the age when most egg-laying breeds are considered adults. Most excitingly, it’s the time when many breeds will lay their ...

Catie Leary writes and curates visual stories about science, animals, the arts, travel, and the natural world. If you can’t get enough omelettes or you want to make a little extra cash selling eggs to ...

In his lab at the University of Edinburgh, Mike McGrew is turning commercial egg-laying hens into surrogates for rare chicken breeds revived from frozen cells—a technique that he hopes one day might ...