Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A species of marine ...

Deep sea fish like tuna can also carry worms, but “they generally have fewer ... “Symptoms from this type of infection can vary,” Schumaker says. “Some infected people may not show any ...

Scientists were dazzled after discovering an iridescent, bristled sea worm that is being compared to an aquatic “toilet ...