Watch a blue crab molt as it escapes its shell. Learn how crabs shed exoskeletons, survive vulnerability, and grow larger.

The Shell Factory closed months ago. But animal lovers can still visit some of the North Fort Myers attraction’s most popular animals here in Southwest Florida. The Holstein steer Moo loves hanging ...

(Santa Barbara, Calif.) –– The fossil remains of some of the first animals with shells, ocean-dwelling creatures that measure a few centimeters in length and date to about 520 million years ago, ...

Modern Nautilus and Allonautilus species inhabit deeper waters than their extinct ancestors did over 500 million years ago.