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.

In 1917, a civil engineer pioneered the first deep-sea vehicle to attempt filming underwater. A century later, we have James ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters directly. A new study focusing on Enceladus, a ...

Divers, underwater submersibles and remotely operated vehicles found 886 marine species over a 16-month period, and they have ...

A USF study found that vertical currents are likely behind the algae blooms that dump sargassum onto Florida beaches each ...

Researchers identified a strong negative North Atlantic Oscillation in 2009–2010 as the tipping point that pushed sargassum ...

a fan-like coral and a venomous deep-sea snail equipped with harpoon-like teeth are among 866 previously unknown species discovered as part of an ambitious effort to document marine life.