The vaquita is a rare species of porpoise endemic to the northern end of the Gulf of California in Baja, California. Vaquitas ...

Lekking occurs when males of certain animal species gather to attract females in specific locations, known as leks.

Animals that rely exclusively on parthenogenesis to reproduce, like the flowerpot snake, are called obligate parthenogens, ...

Why do cats generally live longer than dogs? New research suggests that longer lifespans of mammals like cats could be linked to their bigger brains and more complex immune systems.

When a species reproduces, typically, each parent passes on one of their two versions (alleles) of a given gene to their offspring. But not all alleles play fair in their quest to be passed onto ...

Archaeologists can estimate a person's sex with 95% accuracy, but many experts are focused on what can be learned about ...