Animal Reproduction
Scientists filmed a whale birth—and found something amazing
The secrets of snow leopard mating season
Invasive species are messing with the mating rituals of natives
Scientists discover new tarantula species with ginormous genitals
‘Sharktopus’ isn't alone—these animals hitchhike on other animals
How Antarctica’s penguins became nature’s daredevils
The internet’s favorite bald eagles just had hatchlings
This unorthodox method is saving baby parrots from extinction
This gorilla is 50 years old and still nursing orphans. Why?
Baby great white shark reveals huge nursery near NYC
Why giant Antarctic sea spiders are surprisingly good dads
Charlotte, the 'virgin birth' stingray, has a disease
See how billions of cicadas are taking over the U.S. this summer
This fungus turns cicadas into zombies who procreate—then die
Dog DNA tests are on the rise—but are they reliable?
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