Betsy Trice: The pip is the very first crack in the shell that you’ll see. And the chicks create this from something called an egg tooth. It’s a little hard growth that’s on the tip of their beak. And ...

A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

New research from The Roslin Institute has provided fresh insight into how light exposure during incubation can shape chick ...

As egg-spected, bald eagle couple Jackie and Shadow have welcomed a second egg to the family nest near the mountain community ...

Researchers have developed a method for culturing fertilized chick eggs without their shells. The eggs were placed in an artificial culture vessel made of transparent film, allowing for real-time ...