Oceans

Over the course of 13 expeditions and other efforts between mid-2025 and mid-2026, scientists found hundreds of previously undiscovered creatures living under the waves

New trove of fossils reveals that ancestral animals likely emerged in the deep sea

A strange, tiny fish that resembles the famous Sesame Street character camouflages amid red algae thanks to its flamboyant reddish “hairs”

This snail became the first animal living on deep-sea hydrothermal vents to be added to the IUCN Red List of Threatened Species—it also turns poisonous sulfur into armor

Despite decades of damage, the Persian Gulf’s ecological marvels remain—for now

This enigmatic orb has undergone extensive examination and DNA testing, enabling scientists to reveal its true origins

These incredible corals form what may be one of the world’s largest reef systems—and researchers have a plan to restore it

Scientists have learned how male octopuses’ specialized sperm-depositing arm knows where to go

A ridiculous but instructive thought experiment involving deep time, plate tectonics, erosion and the slow death of the sun

Oceanographers hope to find otherworldly ecosystems at hydrothermal vents on the Arctic seafloor

An 18-year dataset from the North Sea reveals that rogue waves are not freak accidents but particular products of ordinary swells stacking up—an insight that could make prediction possible

Companies are experimenting with deep-sea tech to produce cheaper fresh water