Watch a type IV pilus, which powers some bacterial species' movement, in action.

Watch young birds move like rock climbers.

Slithering snakes mimic waves of light, “diffracting” as they pass by an obstacle.

The colossal fish bank like airplanes when turning.

When heated experimentally, the secretory organ releases oil through pores on the animal’s head, producing a slick coating thought to reduce drag in swimming fish. 

Robert McNeill Alexander, best known for his work on animal locomotion, has passed away aged 81.

Scientists observe another form of locomotion for male gametes, akin to a snake’s slither.

An international panel of scientists selects the 10 most interesting organisms discovered last year.

A round-up of recent discoveries in behavior research