ALT A translucent creature floats against a black background. It has two long rhinophores and bright yellow and orange speckles in its body cavity.

ALT A stunning yellow and brown flatworm with tiny white spots in the middle of its body crawls along a sandy seafloor.

ALT A stunning yellow and brown flatworm with tiny white spots in the middle of its body crawls along a sandy seafloor.

ALT As of 2025, there are over 8 million estimated species on Earth, over 2 million species described so far, and over 500,000 species documented on iNaturalist. We still have a lot left to learn, even in the most well-studied places around the world.

ALT A round squid with red spots viewed from above.

ALT A round squid with red spots viewed from above — the reds have shifted to be slightly darker.

ALT The squid's spots have contracted to be small and black.

ALT A person adjusting a camera mounted on a tripod, focusing on a small, illuminated object on a tabletop in a well-lit room with filing cabinets

ALT A person holding a slide and using a computer in a laboratory setup, smiling at the camera. The screen displays a colorful microscopic image.

ALT An individual examines microscope slides beside a laptop on a table near a window, in a room with brick walls and a snowy view outside.

ALT Person smiling while seated at a desk with organized trays of dry stony coral specimens, a laptop, and office supplies, in a laboratory setting.

ALT A detailed close-up of a white squat lobster against a black background.