Worst Animal Parents: Did you know that the happiest animal on Earth will ditch its own baby to save itself? Or that a cute, ...

Ancient Antarctic Sea Monster May Have Laid This Football-Size Egg. A 68 million-year-old egg the size of a football — the ...

Researchers have newly described three extremely rare species of toad that leapfrog over the egg-to-tadpole stage and give birth to toadlets.

The results revealed a wide array of fossil egg colors and speckle patterns. Deinonychus and troodontid eggs were blue-green, ...