The African Fish Eagle is a bird of prey known for its iconic call and impressive hunting abilities. The species is wide ...

The amount of sperm released decreased sharply with each mating during a single day, reducing the males' fertilization rate.

New research shows male and female brains differ at birth. Females have more grey matter, aiding emotions and memory.

Japanese rice fish – also known as medaka ( Oryzias latipes) – are a small, unassuming species that live wild in the ...

If you've ever had a spiny leaf insect as a pet, or you're considering getting one, hopefully someone has warned you about ...

A study analyzing over 500 newborns has confirmed that brain structure differences between male and female infants are ...

From indestructible tardigrades to body-merging comb jellies, animals can teach humans so much about medicine, robotics, ...

The research team's finding completely contradicts the typical understanding of how mating and sexual selection works in many species.

From a traditional Christian point of view there are still two basic reasons why it is problematic to accept someone as a ...