When it comes to choosing a partner, some species prefer males that stand out from the crowd. Evolutionary biologists call the resulting process negative frequency-dependent selection. It means that a ...

According to the Australian Bureau of Statistics, around 63,300 Australians aged over 16 – 0.3% of the overall population – ...

After changing The Penguin into Oswalda Cobblepot, Batman: Caped Crusader is gender-swapping Rogues Gallery member, The Mad ...

A new protein analysis of Homo naledi skeletons reveals a curious twist—none of them seem to have Y chromosomes.