When it comes to choosing a partner, some species prefer males that stand out from the crowd. Evolutionary biologists call ...

This article originally appeared on Undark. Poet and scientist Cat Bohannon wants you to try this thought experiment: Picture an alternate opening of Stanley Kubrick’s 1968 classic movie “2001: A ...

Scientists have discovered that female guppies choose males with uncommon color patterns to drive the evolution of their ...

Researchers at Tel Aviv University examined the mechanical wear of digging valves located at the tip of the female locust's abdomen, used to dig pits for laying eggs 3 to 4 times during her lifetime.