Because box jellyfish are so distantly related to other animals, the research findings could hint at how the ability to learn first evolved. By Veronique Greenwood In the dappled sunlit waters of ...

Box jellyfish do not have brains — yet, a new study shows they are still capable of learning. Researchers over time managed to train box jellyfish to avoid obstacles in a low-light environment. That ...

Researchers have shown that the creatures can learn to avoid obstacles using visual and mechanical cues, despite not having a brain. A tiny jellyfish has, for the first time, demonstrated a mighty ...