There’s no need to call the fire department. This fiery column is merely the top of a flower’s pistil. The orange structures you see within the blue outline are called xylem. There’s no need to call ...

Most people don’t spend a lot of time thinking about how a fungus reproduces, let alone about what the process might look like. But here you can see a network of soil fungus, with a reproductive spore ...

This monitor lizard has got the blues, and, sadly, it’s not just because of the color of its scales. This species was perfectly happy lounging and hunting in the treetops of its Indonesian island ...

This creature – a Jackson’s chameleon – isn’t a dinosaur, but it bears a striking resemblance to the three-horned triceratops, which lived 66 million years ago. This creature – a Jackson’s chameleon – ...

The structures at the bottom of this image that look like scales are actually bundles of muscles just under the skin of a rabbit. This image is a stained cross section taken under polarized light ...

Enzymes called RNA polymerases transcribe DNA into RNA. RNA is the intermediary that carries the information contained within DNA to the ribosomes, where the genetic information is synthesized into ...

This is a crested gecko, named for the spiny ridge that runs along its back and head, all the way to its eyes. These lizards are expert climbers and can use their padded feet to grip almost any ...

This spiraling pattern of glowing strands is a sample of freshwater red algae. These algae are common and are found on all continents except Antarctica. This spiraling pattern of glowing strands is a ...

What am I looking at? The blue structure is the stigma (1), the very tip of the pistil of this thale-cress flower. The orange dots are pollen grains (2) that are stuck to the stigma. The pollen grains ...

This psychedelic vision is not what a white nettle flower looks like in nature. Under natural light, it appears white – but when viewed under ultraviolet light and captured with a specialized camera ...

Try not to fall into the gaping maw of this aquatic plant known as a bladderwort. If a small organism touches the trigger hairs on the “trapdoor” shown in this image, a quick flow of water sucks the ...

These purple blobs are bird flu virus particles that can spell disaster for multiple bird species, including domesticated birds, such as chickens. The gray netting we see here is a new technology that ...