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 ...

Male stolon (right hand side): one of the independent reproductive units of a branching marine worm, growing at the tip of a branch of the worm’s body. It has sprouted eyes and will go swimming free ...

Jumping worms, originating from Asia, are an invasive species harmful to gardens and the environment. They reproduce rapidly and can be spread through plants, soil, equipment, and mulch. Prevent their ...

The soil roundworm Caenorhabditis elegans has just 959 cells and a body that is mostly gut and reproductive organs. Yet its reproduction is similar enough to ours that scientists like Francis McNally ...

A brain-invading worm spread by rats and snails is making inroads into the United States. A study this week seems to show the ...