The longest animal on Earth isn’t what you think. It’s a drifting, gelatinous predator whose reach reshapes how we define ...

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...

Animals come in an extraordinary range of body shapes. A starfish looks nothing like an earthworm, a mouse, or a human. Yet even closely related species can appear radically different: corals, ...

Over the long and complicated course of evolutionary history, mammals independently turned towards water to make a home ...

Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very real creatures living in the deep sea. Some of these otherworldly ocean ...

Many insects live in fresh water, or close to the sea in salt marsh and beach habitats. There are also several species of water striders in the genus Halobates, which live on the ocean’s surface, far ...

Researchers say the discovery of the oldest known recordings of whale sounds could open up a new understanding of how the ...

Researchers at MBARI, the Monterey Bay Aquarium Research Institute, have been exploring this hidden world for years. Using ...

With growing interest in mining critical metals from the seafloor, countries are now negotiating international rules. The ...

From injury to innovation, A rescued sea turtle overcomes buoyancy issues thanks to a custom 3D printed harness designed by ...

Scientists recorded the first shark in Antarctic waters when a sleeper shark passed a deep-sea camera in near-freezing darkness.

Octopuses are perhaps the most unusual creatures to have ever inhabited the ocean. Their soft body, eight arms, and high ...