Scientific Ocean Drilling in the news

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The West Antarctic Ice Sheet (WAIS) is one of the most dynamic regions of the Antarctic continent. Much of its surface lies below sea level, making the region particularly sensitive to ocean warming. The evolution of the WAIS plays a crucial role in understanding future sea-level changes. If the WAIS were to melt completely, global sea levels could rise by more than four meters.

The Arctic Ocean was once an important source of greenhouse gases to the atmosphere — and it could become one again, researchers warn. Methane (CH4) is second only to carbon dioxide (CO2) in trapping heat in Earth's atmosphere. Since 2020, human-driven greenhouse gas emissions have increased atmospheric methane by about 10 parts per billion per year, more than twice as much as CO2. However, scientists don't yet know how the methane cycle will respond as our planet continues to warm.

A landmark drilling mission near the Atlantis Massif has recovered the largest-ever sample of Earth's mantle, offering a rare glimpse into the planet's geological engine. This expedition, building on studies published in Science and Nature, along with insights from The Conversation, marks a pivotal moment in understanding mantle composition and the processes that may have shaped early life on Earth. The operation pushed well beyond previous limits, hinting at discoveries that could reshape our view of planetary dynamics.

A study published in Nature Communications on October 6, 2025, by an international team of 36 scientists from five countries led by Prof. Xufeng Zheng of Hainan University reveals that the Antarctic Circumpolar Current once flowed hundreds of kilometers further south and may now be slowly shifting north under natural orbital cycles.

Far below the ocean's sparkling surface, deep off the coast of Hawai'i, lie staircases built not by humans but by corals: once-living structures etched over thousands of years that are now buried in darkness. These are drowned reefs, sunken time capsules that hold stories not just of their own rise and fall but of Earth's climate, sea levels, and the delicate balance that sustains life in our oceans.

Sometimes, an experience can shift your entire vision — how you see yourself, what you imagine for your future, where you belong.

The Arctic is experiencing the most rapid climate change on Earth as average temperatures there rise up to 4 times faster than on the rest of the planet. Among the many environmental effects of this warming, the Arctic Ocean, critically, is moving toward a "blue" state, meaning it is increasingly becoming ice free during the summer months.

Scientists for the first time have detected a slow slip earthquake in motion during the act of releasing tectonic pressure on a major fault zone at the bottom of the ocean.

Coral reefs are vital ecosystems supporting marine life, ecotourism, and coastal protection. They also hold something valuable under their surface: records of the ocean's past. Beneath the living outer layer of massive corals are dense, rocklike skeletal structures containing annual bands, similar to tree rings. Scientists can study the conditions at the time these bands formed by drilling, retrieving, and analyzing cores, some of which represent centuries of coral growth.

New research led by the University of Sydney adds to our understanding of how rapidly rising sea levels due to climate change foreshadow the end of the Great Barrier Reef as we know it.