A newly described blue jellyfish in Japanese waters has stunned researchers with an otherworldly glow that looks less like a familiar sea creature and more like a visitor from a science fiction epic.

Scary, squishy, cool, brainless, mesmerizing—jellyfish are all of these and a whole lot more. Anatomically they’re relatively ...

Art often imitates life, and sometimes animals do, too. The enormous jellyfish seen in this YouTube video bears a striking resemblance to the villain from "Star Wars," but it predates the series by ...

In 2025, a student-led team of researchers at Tohoku University in Japan discovered a massive Physalia, or Portuguese man o’ war, that boasted a striking blue cobalt color. Upon close examination, it ...

Turritopsis dohrnii has the ability to turn back into a baby jellyfish and grow up all over again Revealed: the top ten invertebrates of the year Immortality is generally considered the realm of the ...