Caviar is a famously expensive delicacy, but it wasn't always that way. This extravagant seafood has a long history with far ...

Zebra mussels are small, fingernail-sized mussels native to the Caspian Sea region of Asia. They were discovered in Lake St. Clair (part of the Great Lakes) near Detroit in 1988. They are tolerant ...

One of Earth's most interesting natural features, the Caspian Sea is the largest inland body of water on the planet, defying conventional classifications to be both a sea and a lake. Situated ...

An aquatic invader had been detected in Upper St. Croix Lake. Word went out Monday that a net tow sample taken from the lake ...

Last month, an 18th-century 28-meter wooden shipwreck was discovered off the Mazandaran coast of the Caspian Sea in southern Iran ... with some species disappearing entirely due to habitat ...

Beluga sturgeon are native to the Caspian ... species, like sterlet and sevruga, which take less time than beluga to mature. The sturgeon is removed from the tank and placed on ice. The fish ...