Featured in reproduction
When female finches fail to find mates, they dump their eggs and move on
Female zebra finches are picky in their mates, and have found a clever way to reproduce if they don't find someone.
These worms produce milk, but only when they kick the bucket
This makes breastfeeding look like a walk in the park.
6 pregnancy facts that will make you think twice about recent abortion bills
Correcting some misconceptions about, well, conception.
10 animal sex rituals you need to read about right now
Some light reading for you and your partner on date night.
This fossilized butthole gives us a rare window into dinosaur sex
The cloaca is the hole-y grail to understanding prehistoric copulation.
Three love stories about birds that will delight your heart
Let’s talk turkey proms.
You can totally sprain your teeth (and you’ve probably done it before)
A crunchy surprise.
This ancient bony fish was a sexual pioneer
The first sex on record was a Scottish square dance.
Frogs in tiny taffeta shorts paved the way for human in-vitro fertilization
They wore hot pants in the name of science.
Congratulations to new penguin dads Skipper and Ping
These two male penguins are the latest to adopt an egg