The firework jellyfish is rarely seen by humans, but its bioluminescence could put any July 4th show to shame.

Researchers caught a close-up video of a flying sea pig (aka, a sea cucumber), and it has what looks like 50 tiny hands.

This is the midwater zone, a hidden ecosystem that begins 650 feet (200 meters) below the ocean surface and sustains life across our planet. It includes the twilight zone and the midnight zone, where ...

Companies are preparing to move forward with seabed mining, but a method for gathering critical minerals from the seafloor ...

Imagine a world where sunlight barely penetrates, where darkness reigns and strange, glowing creatures drift silently through ...

Some people witnessed the enchanting display of bioluminescent algae illuminating the waves in uMdloti on Good Friday. Experts explain the science behind this natural phenomenon.

The short high-definition footage was gathered by a submersible called Subastian, operated by the nonprofit Schmidt Ocean ...

Imagine plunging into a world where sunlight barely penetrates, and the darkness is suddenly broken by mysterious flashes of ...

The first confirmed footage of a juvenile colossal squid in its natural habitat shows a delicate and graceful animal – far ...

For over 400 years, sailors have reported a mysterious phenomenon in which the ocean appears to glow as far as the eye can ...

“The sea from horizon to horizon ... wonders what effect the bioluminescent event has on other life in the ocean, particularly on the creatures that hide in the dark depths during the day ...