Beachgoers in La Jolla, California were surprised to see a Spanish shawl nudibranch, a vibrant sea slug with purple and ...

In 2000, scientists spotted a bioluminescent mollusk in the deep sea. The animal was so unique that they had no idea what it was until they did genetic testing. It turned out to be a new species of ...

Zoologists have discovered a new species of sea slug living in eastern India and have named it after the country’s president. Researchers from the Zoological Survey of India (ZSI) found the slug along ...

At least two species of sacoglossan sea slugs are capable of severing their own heads from their bodies and then growing an entirely new body, including a heart and other internal organs. The authors ...

It turns out getting beheaded doesn’t mean automatic death for every animal. Researchers discovered that two species of sea slugs, Elysia cf. marginata and Elysia atroviridis, can regrow their body ...

By Liz Kimbrough A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

Scientists have discovered the ultimate case of regeneration: Some decapitated sea slugs can regrow hearts and whole new bodies. This “wonder of nature,” reported in a biology journal on Monday, could ...

Sea slugs are one of the world’s most stunning, diverse, and adaptable animals. Not only are sea slugs beautiful to look at, but their methods of survival are unparalleled. While some marine species ...

There are several species of sacoglossan sea slugs that feed on large, unicellular algae and hold onto the algae’s chloroplasts, the organelles that turn plant cells green and convert light to energy.

It might look like something you'd find in an alien salad, but this bizarre sea slug can actually steal body parts from other organisms and use their powers for itself. "This is an organism that can ...