Those bizarre sea creatures that light up like carnival rides are actually ctenophores, which have an ancient brainlike structure.

Add Yahoo as a preferred source to see more of our stories on Google. Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet ...

A mysterious rock painting in South Africa’s cave could be the first-ever artwork of an animal that disappeared 250 million years ago. The San people’s “Horned Serpent Panel” features a strange ...

Scientists discovered a bizarre 275-million-year-old aquatic animal with sideways teeth and a twisted jaw in Brazil, revealing a rare “living fossil” lineage from the Permian period.

A woman's Ring camera caught video of, what appears to be, a strange creature outside of her Compton, California home. As NBC News' Camila Bernal reports, some people ...

Ghosts, goblins, spiders, and wolves don't just show up in fairytales. Some deep-sea creatures are named after frightening or mythical creatures thanks to their eerie appearances. However, strange ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...