Officials are asking residents to report them. Officials issue warning as harmful creatures spread into new territory — ...

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 ...

For decades, scientists have studied the remarkable regenerative ability of planarians, triclad flatworms that can basically regrow their entire bodies if necessary. A new study shows that the secret ...

A team of scientists has mapped the regions surrounding stem cells in planarians—small flatworms that are famous for being able to regrow whole bodies from small fragments—and discovered something ...

Stem cells in most organisms typically take cues from adjacent cells. But new research from the Stowers Institute for Medical Research has found that stem cells in the freshwater planarian Schmidtea ...

Scientists hiking a forest trail in Chile found a “giant” flatworm eating an invasive species in a first-of-its-kind sighting, a study said. Screengrab from Walk the South’s YouTube video While ...