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 ...

To see just how prevalent alien earthworm species are, the Stanford team analyzed worm records from 1891to 2021 (yes, worm records are a thing), combined that with statistics from the interception of ...

Some do it horizontally, some do it vertically, some do it sexually, and some asexually. Then there are some organisms that would rather grow a butt that develops into an autonomous appendage equipped ...

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