Nature is full of wonders, and some of the most amazing surprises come from how animals reproduce. While most of us think ...

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In the animal kingdom, reproduction is a necessary part of species survival. Parthenogenesis, a form of asexual reproduction where embryos develop from unfertilized eggs, has been observed in captive ...

In humans, women live an average of five years longer than men. In seven out of ten animals species, the female will also outlast the male animal. For example, a female moose can live twice as long as ...

When males are forced to compete for females, new species form more rapidly. This has been shown in a new study where the ...

The mating game in the animal kingdom is nothing less than fascinating and somewhat weird. Some species pierce, clone, chew, or even fake their way through the mating process. To make survival ...

Some male animals may evolve weak immune responses to transmit diseases. This is an Inside Science story. (Inside Science) -- In the battle of the sexes, sexually transmitted diseases may sometimes be ...