Quick Take Hammerhead worms often reproduce through fragmentation, allowing a single individual to start an entire population without a mate. Many invasive populations show extremely low genetic ...

Hammerhead worms have been found near the Washington, D.C. area, the latest region to become a home to the invasive species. Hailing from Southeast Asia and so far preferring hotter climates in the ...

A woman in Australia who complained of stomach upset, forgetfulness and depression had a 3-inch worm removed from her brain in what doctors say was a first, according to Reuters. The 64-year-old woman ...