Featured in reproduction

6 pregnancy facts that will make you think twice about recent abortion bills
10 animal sex rituals you need to read about right now
This fossilized butthole gives us a rare window into dinosaur sex
Three love stories about birds that will delight your heart
You can totally sprain your teeth (and you’ve probably done it before)
This ancient bony fish was a sexual pioneer
Frogs in tiny taffeta shorts paved the way for human in-vitro fertilization
Congratulations to new penguin dads Skipper and Ping
Monarch butterfly development is cooler than we thought
What avocados and clownfish have in common, sexually speaking