Jellyfish are some of the most fascinating and mysterious creatures in the ocean. While many people are familiar with the common jellyfish, there are countless lesser-known species that are just more ...

Researchers confirmed Atlantic box jellyfish washed up on North Padre Island and warn beachgoers that even dead-looking jellyfish can still sting.

Multiple massive, rare jellyfish washed up on the Texas coast recently, surprising some beachgoers and feasting on a smaller jellyfish species. Jace Tunnell, the director of community engagement at ...

They don’t have a brain or spinal cord. They float around in a way that often appears aimless. Though jellyfish lack a central nervous system, these gelatinous creatures again show that they might ...

Careful! These sea creatures can still sting you even when they're dead.