These are the muscles inside the head of the larva of a green lacewing. These larvae are known and prized by gardeners due to their voracious appetite for aphids and other soft-bodied plant pests. The ...

The Marburg virus causes Marburg virus disease (MVD) and is related to the more widely known Ebola virus. The average mortality rate of this disease in humans is about 50%, meaning that about half of ...

This caterpillar, looking for all the world as if it’s holding a yoga position, will eventually turn into a lobster moth. When threatened, these caterpillars strike this pose to make themselves look ...

These male stag beetles have developed some impressive mandibles (mouthparts) to win mates. Male stag beetles will battle it out with other males to demonstrate who is the largest and strongest and ...

What am I looking at? These images show a single cell in the middle dividing into two so-called daughter cells. The stage of the cell division process represented here is called anaphase. In these ...

No one likes to be alone. Even bacteria have figured out how to stick together – in an intricate structure called a biofilm. No one likes to be alone. Even bacteria have figured out how to stick ...

This cross section through the flight muscles of a dancer damselfly shows in blue the muscle fibers that the fly uses to flap its wings. You can also see the nerve that stimulates these muscles in red ...

Chameleons are lizards that can change their skin color. The multicolored scales in this image are attached to the skin of an embryonic chameleon. Chameleons change color to communicate with other ...

In this zebrafish liver, the blood vessels glitter in gold and the bile ducts gleam in neon blue. This image highlights the close relationship between the circulatory system and the cells of the liver ...

While this group of colorful neurons was grown in a dish from stem cells, in the body neurons like this are responsible for sensing pain. There is a specialized subset of sensory neurons called ...

Beauty is in the eye of the beholder – but since the northern mole cricket spends most of its time underground, there aren’t many other creatures that get a look at this burrowing insect’s furry face ...

The tendrils that extend from so-called killer T cells like the one in this image help them latch onto and destroy infected or cancerous cells in the body. Learn more Get a closer view of the image ...