This previously unknown symbiotic relationship helps keep methane—a major greenhouse gas—trapped in the ocean.

Holden will also provide live narration when the expedition sends remotely operated vehicles to the ocean floor -- anywhere from 4,000 to 6,000 meters deep -- to collect samples of materials like ...

Aquanauts could live on the ocean floor for days or weeks at a time. It housed more than 700 scientists on more than 85 missions. It operated between 1970 and 1985 and is now on display at NOAA ...

A sample of ocean crust, turned upside down, reveals tubeworms and other organisms. Mónika Naranjo-Shepherd / Schmidt Ocean Institute CC BY-NC-SA 4.0 In summer 2023, researchers deployed a ...

Some environmental groups say ocean floor mining could have catastrophic consequences. Others say it's a part of Earth's green energy transition. Hotspots ranked Start the day smarter ☀️ ...

Only about 20% of the ocean’s depths has been mapped by humans. Here’s what we do — and don’t — know about the deep seas and why studying them is so precarious.

Researchers say the polymetallic nodules that mining companies hope to harvest from the deep-ocean seafloor may be a source of oxygen for the animals, plants and bacteria that live there. This ...

The minerals that are being targeted form a critical part of the sea floor, and the sea floor is what life attaches to in the ...

It’s often referred to as the “sea cow” because of its grazing behavior on the ocean floor. Dugongs can live up to 70 years, and females only give birth every 3–7 years.