The bumphead sunfish (Mola alexandrini) is one of the strangest and most impressive giants in the ocean. With a flattened, ...

Irukandji jellyfish deliver one of the most painful possible stings. Learn what the experts say about the dreaded Irukandji ...

Australia has closed dozens of beaches and urged people to stay out of the ocean after a fourth shark attack was reported ...

The natural world has produced some of the most potent poisons known to science. Here are some of the deadliest to humans ...

Nature's deadliest arsenal lurks in the shadows of oceans, forests, and deserts, where tiny creatures wield toxins far ...

Ciguatera—a toxin that accumulates in reef fish—is a common cause of seafood poisoning. Learn which fish are safest to order ...

The chytrid fungus (Batrachochytrium dendrobatidis), or Bd for short, is considered one of the causes of the worldwide ...