Sea sponges are weird all on their own, but their tenants are even weirder. Many sponges are host to a variety of worm species which live inside their digestive canals. The exact nature of these ...

If space travel wasn't hard enough, imagine trying to do it with two heads. A flatworm sent to the International Space Station aboard a SpaceX rocket in 2015 as part of a biological study grew a ...

Tiny worms can "see" light without their eyes — or their heads, scientists recently discovered. Planarians are a type of flatworm, which are soft-bodied creatures that lack complex organs. They have ...

After spending more than a month aboard the International Space Station, one partially amputated flatworm came back to Earth with a bizarre new talent. Eric Mack has been a CNET contributor since 2011 ...

The regenerative power of flatworms — which can regrow into complete individuals after they've been cut into pieces — is well-known among scientists. But a group of flatworms that recently visited the ...

A strange new species of worm with one head and multiple, branching bodies has been discovered by researchers in Japan. Confirmation of the new species of worm was announced by researchers led by ...

As humans, if we lose a limb or even a tiny digit like a finger or toe we're left to live out our lives without that particular appendage. We have no ability to regrow body parts, but many in the ...

A worm named Schmidtea mediterranea has the unique ability to regenerate not just its body, but also its head and brain. Now, scientists studying the worm have discovered one of the genes that allows ...

There are all kinds of experiments going on aboard the International Space Station, but they all probably don't produce results as strange as this one. An article published today in the journal ...

Earthworms are famous for their ability to regrow if they get cut in half, although this can only occur under certain conditions. The secret to a worm's regenerative powers lies in stem cells. Stem ...