Deep-sea fish thrive in extreme pressure, darkness, and pollution, revealing new survival mechanisms and threats.

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme ...

An exploratory expedition describes two deep-sea, low-oxygen ecosystems in the Red Sea, including some surprising fish. The findings are published in PNAS Nexus.

Given the extreme conditions of the hadal zone, scientists were surprised by ... that help them withstand the harsh conditions of the deep sea. Interestingly, each sample site had its own distinct ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight? Some ...

Researchers said that potato-sized nodules could be producing enough electrical current to split seawater into hydrogen and oxygen, a process known as electrolysis.

Mining of polymetallic nodules from the seabed might lead to significant and long-lasting ecological changes -- both in the mined area, where surface sediments and the fauna living in and on it are ...