Reverse development, where some animals can turn back to earlier life stages instead of aging normally, has now been ...

Some develop into tentacles, for example; others become reproductive organs. Comb jellies may be the most ancient living animal. They have a nervous system and—this shocked specialists—two ...

Jellyfish reverse their development to survive when stressed The process is called reverse development. And it seems now that Turritopsis dohrnii is not the only jellyfish-like creature — known ...

Living pieces of dozens of individual animals known as comb jellies have been fused together to create an array of new forms that, in some cases, survived for more than a week. These chimeric ...

A 520-million-year-old fossil resembling a flower is the great ancestor of modern-day comb jellies, jellyfish-like sea creatures that cast a rainbow-like effect as they propel their way through ocean ...