The deep oceans refer to the parts of the ocean that are below 1,000 meters (3,280 feet) in depth. This region is characterized by high pressure, low temperatures, and complete darkness. The deep ocean is home to unique ecosystems and organisms, such as deep-sea fish, giant squids, and bioluminescent creatures, which have adapted to survive in these extreme conditions. Despite covering more than 60% of the Earth's surface, deep oceans remain largely unexplored. Scientists use advanced technology, like submersibles and remote-operated vehicles, to study these depths. Understanding deep oceans is crucial for marine biology, climate science, and discovering new species.