From a lion's mane jellyfish in the Arctic Ocean to explorers preparing to dive deep into the dark waters of the Frasassi Caves in Italy, National Geographic's 2023 Pictures of the Year is a dynamic ...

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 ...

A newly described blue jellyfish in Japanese waters has stunned researchers with an otherworldly glow that looks less like a familiar sea creature and more like a visitor from a science fiction epic.