Previously, the immortal jellyfish (Turritopsis dohrnii) was the only species thought to have the ability for reverse development, but now, scientists know that the comb jelly (Mnemiopsis leidyi ...

This strange and mesmerizing sea creature can age in reverse when times get tough, in a move that would make Benjamin Button ...

Where did their adult jellyfish go, and how did an infant jelly come to be? This is the unfathomable story of comb jellyfish ...

Comb jellies, soft-bodied marine creatures that swim by beating rows of cilia, may once have had a hard skeleton. Jef Akst was managing editor of The Scientist, where she started as an intern in 2009 ...

This brownish-orange comb jelly of the genus Beroe is likely one of the five undescribed species characterized by the team of researchers. Credit must be given to the creator.

The fossil, an eight-armed swirl named Eoandromeda after the galaxy Andromeda, is believed by researchers to be the ancestor of modern comb jellies, which populate oceans worldwide and swim using rows ...

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 ...

Where did their adult jellyfish go, and how did an infant jelly come to be? This is the unfathomable story of comb jellyfish and how they can age in reverse. This is what their regenerative ...

How many species of jellyfish are there? Jellyfish are sometimes called sea jellies. They belong to a group called Medusozoa which is divided into four classes: Hydrozoa, Scyphozoa, Cubozoa and ...

To get real work done on your tablet, a keyboard is a must. Here are the best keyboards and keyboard cases for iPad, Microsoft Surface, Amazon Fire, and Android devices. PCMag PCMag.com and PC ...