Genomic study reveals how jellyfish develop into floating beauties, rather than staying stationary like corals or sea anemones. Translucent jellyfish, colorful corals and waving sea anemones have very ...

One of the biggest mysteries of evolution is how species first developed complex vision. Jellyfish are helping scientists solve this puzzle, as the group has independently evolved eyes at least nine ...

A Japanese Sea Nettle jellyfish moves through the ocean. Sheviakova Kateryna/Shutterstock Thanks for these great questions, Ethan! They’re just the sort of thing that scientists like me who work on ...

Jellyfish are the oldest animals in the ocean—they’ve been swimming on our planet for more than half a billion years. But it is only recently that scientists have begun to understand these beautiful ...