deep sea

A Chinese deep-ocean drilling vessel has returned to port carrying core samples collected from the South China Sea, which state media and scientists have described as scientifically precious. The specimens are expected to aid research into the seabed's geology and the region's resource potential, at a time when the South China Sea remains a focal point of both scientific work and territorial disputes involving China and its neighbours.

Scientists and commercial fishermen in the United States are calling on federal agencies to continue funding a deep-ocean observation system that monitors conditions far below the surface. The system provides data used for research and fishing operations, and supporters warn that cutting funding would leave a gap in understanding of deep-sea conditions and their effects on marine life and coastal economies.

Environmental experts are warning that plastic pollution in the deep ocean may be interfering with the bioluminescent organisms that live there. Pollution particles could block or mimic the light signals deep sea species rely on for feeding, mating and defence, potentially disrupting entire ecosystems in one of the planet's least explored environments.

China has pushed its deep-sea drilling capability to the 5,000-meter level, becoming only the third country in the world to retrieve hard-rock samples from deep-ocean seabeds. The advance, reported by state media, underlines Beijing's push into deep-sea exploration technology, an area dominated by a small number of nations and increasingly tied to scientific prestige and potential seabed resources.

China says it has completed a drilling operation reaching 16,172 feet, recovering hard rock core from deep beneath the ocean floor. If confirmed, the achievement would mark a significant advance in deep-sea drilling capability, with implications for geological research and seabed resource exploration. Details about the vessel, location and independent verification of the depth and recovery have not been reported.

Chinese state media report that the country's deep-sea drilling capability has reached the 5,000-meter level, marking a significant advance in its capacity to explore and extract resources from the ocean floor. The announcement highlights China's growing technological ambitions in deep-sea exploration and its push to secure strategic minerals and energy resources beneath the seabed.

Scientists conducting deep-sea research have discovered an unexpected creature living around 3,000 feet beneath the ocean's surface. One of the researchers described the sighting as shocking, suggesting the animal was found well outside its known habitat or depth range. The finding is drawing attention from marine biology enthusiasts and highlights how little is still known about life in the deep ocean.

Filmmaker Richard Sidey captured footage at dawn in Ilulissat, Greenland, showing an iceberg splitting apart as huge slabs of blue ice collapse into the sea. The calving sends fractures and waves rippling across the surrounding water, with deep creaks and rumbles audible as the ice gives way. The striking images and sound of the natural event have drawn attention online, highlighting the dramatic dynamics of Greenland's ice.

Environmental groups have filed a lawsuit against the US National Oceanic and Atmospheric Administration challenging its handling of deep-sea mining certification. The suit targets the agency's role in approving or overseeing mining-related activities in international waters. Critics argue such certification risks harm to fragile ocean ecosystems before science fully understands the consequences. Details of the plaintiffs and specific legal claims remain limited.

China's Mengxiang, the country's deep-sea drilling vessel, has achieved a series of milestones during its voyage in the South China Sea, according to China Daily. The achievements mark progress for the ship, which is designed to drill deeper into the ocean floor than any previous vessel. The development highlights China's growing capabilities in deep-sea exploration technology.

Conservation group the Center for Biological Diversity has filed a lawsuit against the Trump administration over its approval of an international deep-sea mining exploration permit. The suit challenges the government's decision to greenlight exploration in international waters, an area where seabed mining is regulated by the International Seabed Authority and remains highly contested among nations, scientists and industry.

Oceanographer and geographer Dawn Wright has given an interview with Yale School of the Environment discussing efforts to map the ocean floor, often called mapping the abyss. Wright, known for her work in ocean science and previously as chief scientist at Esri, talks through the state of deep-sea exploration and why complete seafloor mapping remains a major scientific challenge. The conversation highlights how little of the ocean bottom has been charted in detail.

China has launched a domestically developed deep-sea robot capable of operating at depths of around 14,764 feet in the South China Sea. The vehicle is intended for deep-sea exploration and survey work, and the deployment is being reported as a demonstration of China's advancing homegrown underwater robotics and ocean research capabilities.

NOAA Ocean Exploration is showcasing the wide variety of marine life encountered during its ocean surveys, drawing attention to the diversity of species found in deep-sea environments. The feature underscores the agency's ongoing efforts to document little-known ocean ecosystems and shares imagery and observations with the public.

A new research vessel, Azores Ocean, has been introduced for deep-sea and fisheries survey work off Portugal. The boat is designed to support marine research and fisheries assessment in waters around the Azores, adding capacity for oceanographic and stock-monitoring missions in the Atlantic.

A newly developed deep-sea robot is designed to dive nearly 15,000 feet, allowing researchers to explore and study ocean regions far beyond the reach of most equipment. The machine is intended for ocean exploration tasks at depths where pressure and darkness make human operations impossible.

Researchers have found that bacteria living on the gills of coral reef fish carry genes for chemosynthesis, the process of making food from chemicals rather than sunlight. DNA analysis revealed these genetic pathways in the gill microbes, suggesting reef fish may host bacteria capable of producing nutrients in ways previously associated with deep-sea ecosystems rather than sunlit reefs.

A Foreign policy journal argues that artificial intelligence should be governed under the legal principle of the 'common heritage of humanity', a framework historically applied to deep-sea resources and outer space. The proposal would treat advanced AI as a shared global resource requiring international management for the benefit of all nations rather than a handful of powerful states and companies.

A question about why roughly half of Earth remains unexplored is drawing wide attention, with ocean depths at the center of the discussion. The conversation highlights how much of the planet, particularly the deep sea, has never been mapped or surveyed by humans, prompting debate about funding for ocean exploration and what discoveries may still be hidden in unexplored regions.