Flatworms can rebuild themselves from just a small fragment, and now scientists know why. Their stem cells ignore nearby instructions and respond to long-distance signals from other tissues. This ...

Scientists have discovered an alien hammerhead flatworm species that looks a bit like a miniature king cobra, or perhaps an itty-bitty snake with a moustache. The researchers found the tiny creatures ...

Flatworms are dorsoventrally flattened, bilaterally symmetrical invertebrates of the phylum Platyhelminthes, widely used as model organisms in developmental biology, regeneration research, and ...