Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Scientists have long assumed the deep-sea Alicella gigantea was an uncommon survivor of the abyss.

The 30cm-long (11.8in) juvenile was spotted at a depth of 600m (1,968ft), near the South Sandwich Islands in the south Atlantic Ocean. Experts believe colossal squid can grow up to 7m (23ft) in length ...

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

Bone-eating zombie worms vanished from Pacific canyons during a 10-year study, raising concerns that oxygen loss is altering ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

In July and August scientists onboard the Schmidt Ocean Institute’s research vessel Falkor (too) spotted the oddities through the eyes of an underwater robot as they explored the Mar del Plata Canyon.

As companies search underwater for resources, scientists are taking inventory of the ocean-dwelling creatures that could be ...

A seven-arm octopus was spotted in Monterey Bay in Nov. 6, 2025; the 'rarely seen' deep-sea octopus was spotted by researchers who've only seen it four times in nearly four decades.

Deep sea holds alien-like species. The frilled shark, a living fossil, remains a mystery. Its unique anatomy includes six ...

Light is a primary driver of visual evolution in shrimp, according to new FIU research published this week in Nature Communications Biology. The deep sea is a dark place, with the only light coming ...