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 ...

This story is part of a week-long series on reproduction, from prenatal testing to childfree Reddit. Bacteria do it. Viruses do it. Worms, mammals, even bees do it. Every living thing on earth ...

It might soon be easy to build living robots — because they'll build themselves. New Scientist reports Harvard University, Tufts University and University of Vermont researchers have learned that ...

Are you familiar with asexual animals? Asexual animals reproduce without involving sex or traditional fertilization. While this might sound strange, it’s actually quite natural—and even helps many ...

Let’s call him B.D., because that’s what his wife does on her infertility blog, Shooting Blanks. Several years ago, the 36-year-old learned he was azoospermatic. It means his body makes no sperm at ...