For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before ...

A new glass sponge species is so strange that has been given the name named Advhena magnifica, which means "magnificent alien ...

The deep sea around Antarctica just got a whole lot weirder as researchers have discovered at least 30 previously unknown ...

Cephalopods—the class of animals that comprises octopuses and squids—are ubiquitous throughout the ocean, including in the ...

Tiny sea cow species, Salwasiren qatarensis, shaped seagrass meadows for 20 million years, offering clues for protecting dugongs.

South Carolina wildlife officials warn against touching cold-stunned sea turtles or manatees after a freeze, saying ...

A newly discovered predatory “death-ball” sponge in the Southern Ocean hunts small prey with tiny hooks, revealing surprising ...

Deep-sea creatures exhibit gigantism, with football-sized eyes and van-sized sponges thriving in crushing darkness. These ...

In doing so, Paralvinella hessleri, a tiny deep-sea worm first discovered in 1989, transforms one of the deadliest substances ...

Discover seven fascinating animals that can’t survive in sunlight. Learn how these cave-dwellers and deep-sea creatures are ...

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

The Earth's oceans, covering over 70% of the planet's surface, represent a vast frontier for scientific discovery and resource utilization, yet remain ...