They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

The animal belongs to a genus of air-breathing marine slugs called Peronia, according to a study published March 12 in the peer-reviewed journal Raffles Bulletin of Zoology. When researcher Adam B ...

Rats host the worm and pass larvae through their feces, which are eaten by the slugs. Rats then eat the slugs and repeat the cycle. Yeung said the worms develop in different life stages in rats ...

Some forms of wildlife are a welcome sight in your garden, like helpful pollinators or soil-enriching worms. And then there ...