Hermit crabs have been taking shelter in abandoned shells for millions of years, but scientists now have evidence suggesting that the “hermit” lifestyle has existed far longer than that. Besides ...

Penis worms started living like hermit crabs hundreds of millions of years before hermit crabs even existed, suggesting that the world’s earliest animal ecosystems were more ecologically sophisticated ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Nothing else in the ocean quite compares to the penis worm. At least ...