Starting one's sex life and having children at a young age can run in the family. But can pregnancy have beneficial health ...

Getting the job done. A female Asian water dragon (Physignathus cocincinus) produced a daughter (left) without the assistance of a male. Skip Brown/Smithsonian’s National Zoo An Asian water dragon ...

If you’ve ever had a spiny leaf insect as a pet, or you’re considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

If it's hard for you to get pregnant or carry your pregnancy to term, one of the possible reasons could be a luteal phase defect, or a defective luteal phase. It's a condition that prevents your ...