For some ocean creatures, creating light is a matter of life and death. Learn about how light is used in the ocean.

Marine life, which is also known as sea life or ocean life, refers to all the marine organisms that live in salt water habitats, or ecological communities that encompass all aquatic animals, plants, algae, …

Explore the Marine Life Encyclopedia to learn fun facts and more about your favorite marine animals. From sharks and sea turtles to ecosystems and corals, you’re in the right place to take a deep dive …

5 days ago · Across Earth's history, the ocean has nurtured nearly every form of life that has ever existed. Immerse yourself in the diverse ecosystems around coral reefs, the surprising homes of …

Dec 11, 2025 · What is a marine ecosystem? What types of living things are found in marine ecosystems? How does the ocean's environment support marine life? What are some different zones …

The National Ocean Service (NOS) translates science, tools, and services into action, to address threats to coastal areas such as climate change, population growth, port congestion, and contaminants in …

Marine biology is the study of life in the oceans and other saltwater environments such as estuaries and wetlands. All plant and animal life forms are included from the microscopic picoplankton all the way …

Most of the environments at sea are cold and at just about any depth below the surface the pressure is very high. Beyond the photic zone, the ocean is entirely black. Organisms have adapted to these …

Jun 18, 2025 · Oceans provide approximately 90% of the Earth’s living space by volume, serving as a cradle for the earliest known life forms. The health of these underwater realms is connected to the …

Jun 22, 2025 · The ocean teems with life, harboring an astonishing array of creatures from microscopic plankton to colossal whales, representing nearly every branch of the tree of life and surpassing …