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 ...

Across their 10,000 species, sea slugs sport striking colors, external gills, and even the ability to regrow a body from a severed head.

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 ...

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 ...

It could be the plot of a summer sci-fi blockbuster: A creature feeds on its prey and inherits its "superpower." Only this is real. Subscribe to our newsletter for the latest sci-tech news updates. A ...

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 ...

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 ...

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.