Most species on Earth exist as two biological sexes, and the exchange of genes between males and females is vital for their ...

Also meet the Long Beach aquarium's new CEO, who says the aquarium is expanding conservation efforts, including with sea ...

In seahorses, males are the ones to bear offspring. A research team led by Konstanz evolutionary biologist Axel Meyer examined the cellular basis for "male pregnancy".

Scientists recently found a new species of spider in Thailand with fascinating traits. The spider is half-male and half-female. Researchers were left stunned to find the rare spider's body is ...

Ironically, though, that’s wonderful news for palaeontologists, as the love scars left behind by these prehistoric couplings ...