Here’s how many brains and arms octopuses have, how long they live, what octopuses are, and more.

An unexpected encounter on a night dive teaches a young diver why ‘never mess with the marine life’ is a cardinal scuba rule.

Sealife has been known to get sunburnt, but animals have their own ways to avoid skin damage during a life outdoors.

The minute fish about the size of your fingernail has the highest expression levels of antifreeze proteins of scientists have ever seen.

A survey of more than 60 fishing communities found no confirmed sightings of the mammal, which has lived in Chinese waters for hundreds of years.

Sharks, whales, manta rays and other pelagic delights abound from the Bahamas to Australia.

A male fantastic giant tortoise collected from the Galápagos in 1906 was believed to be the only one until a female, discovered in 2019, was genetically confirmed to be the same species.

Underwater observations of bottlenose dolphins show pods of dolphins rub themselves on specific coral species, which may prevent or treat an infection.

An Oregon State research team automated processing of data from underwater microphones, strengthening scientists' ability to monitor reef health.