Immortality might seem like a fairy tale, but some species are renowned for cheating death, and one marine animal has recently been discovered to de-age itself.

serving as a foundation for individual jellyfish to later develop into their free-swimming, mature form known as the medusa. Essentially, when faced with stress, injury or old age, the immortal ...

Larvae mature into polyps, which will then bud off and mature into young jellyfish.' An adult jellyfish is known as a medusa. Jellyfish belong to a group called Cnidaria, which also includes sea ...

A collaborative team of Japanese and Brazilian scientists has identified a new species of jellyfish with distinctive features, aptly named the St. George’s Cross Medusa (Santjordia pagesi or S.

And one hydrozoan, the immortal jellyfish (Turritopsis dohrnii), seen here in a water drop, has a life cycle that skips death: It reverts from a medusa back to a polyp. How, no one knows.

Most are free-swimming species with the characteristic bell-shaped body, also called a medusa. Cubozoans are more commonly known as box jellyfish. They differ from scyphozoan jellyfish because of ...

THE freshwater medusa Limnocnida tanganyicae has been known for more than seventy years from the lakes of East, West and Central Africa. Until very recently, no evidence had been found for the ...