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Nature is full of wonders, and some of the most amazing surprises come from how animals reproduce. While most of us think that having babies always requires a male and a female, that’s not true for ...

We tend to picture female animals as gentle or secondary to the males. Nature tells a different story. In many species, females are the hunters, the leaders, and sometimes the most ruthless ones in ...

As a great queen once sang in 2011, “women run the world.” This is true even in the animal kingdom, where females often lead the group. From insects to apex predators, female-led species are strong, ...

Quick Take Like the Ancient Greek warriors from which its name derives, the Amazon molly is an all-female fish species that ...

But there are other reasons that a species might synchronously reproduce. In one social group of banded mongoose, more than ...

For the first time, scientists have used genetic engineering to trigger ‘virgin birth’ in female animals that normally need a male partner to reproduce. Previously, scientists have generated young ...

During mammalian reproduction, millions of sperm undertake a journey that only one will finish. This journey to fertilization has been commonly viewed as a race: a sea of sperm competing to get to the ...