Beachgoers on a popular stretch of U.S. coastline have been stopping in their tracks at the sight of translucent, blue and ...

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.

In the chilly waters off the Northern California coast, palm-size sea creatures known as Velella velella float along the ocean’s choppy surface. But springtime storms can push the jellyfish-like ...

What are the blue blobs washing up on California beaches? What to know about these strange sea creatures. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

A deep-sea fish species with unusual cheek patterns has been discovered in the South China Sea after it was listed on online seafood markets. The fish has been named Branchiostegus sanae because its ...

Portuguese man-of-war are washing up on North Carolina beaches, forcing officials to issue a warning to beachgoers along a 150-mile stretch of sand from Cape Lookout to the South Carolina state line.

A newly discovered predatory “death-ball” sponge in the Southern Ocean hunts small prey with tiny hooks, revealing surprising deep-sea behaviour and hidden marine biodiversity.

The orange-clubbed sea slug is "a small colourful sea slug that can be found grazing on sea mats on the rocky shore. They are ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

Scientists have filmed odd communities of life flourishing deeper in the ocean than ever before. The chemosynthesis-based life-forms get their energy from chemical reactions, powered by gases seeping ...