Formerly known as the 'mystery mollusk,' this glow-in-the-dark nudibranch is the first of its kind to be seen living in the ...

Aging happens in one direction, right? We’re all slowly getting older, accumulating gray hairs and wrinkles, and there’s no ...

Deep-sea researchers have discovered a strange glowing sea slug off the coast of California that lives in the water column — ...

It took nearly 25 years for biologists to discover that a swimming and glowing organism in the ocean’s midnight zone was ...

The warty comb jelly, Mnemiopsis leidyi, a fascinatingly weird creature that can regenerate parts of its body, reproduce from ...

In a strange episode in the animal kingdom, a captive marine animal merged with another of its kind to become a single ...