A snorkeler in Australia found a shell tagged with a strangely specific number, kickstarting an online mystery about its ...

The black abalone mollusk (Haliotis cracherodii) is a delicacy in many regions of the world, with fancy restaurant diners ...

Authorities are asking anyone who makes a similar find in Australia to photograph it and contact them. Find out more.

California has 44 state symbols, including a state folk dance, dinosaur and mushroom. But Assemblymember Diane Dixon says we need another — an official state seashell. And she says the shell of the ...