Dangerous Portuguese Man O' War have washed ashore on popular Welsh beaches. Authorities are warning the public to avoid ...

Nature's deadliest creatures employ distinct defense mechanisms. Venomous animals inject toxins through bites or stings, like cobras and jellyfish. Po ...

A new species of venomous Portuguese man-of-war, Physalia mikazuki, has been discovered in northern Japan. Genetic evidence ...

The Portuguese man-of-war, or Physalia, is a jelly-like creature that uses a special gas-filled balloon to float on the sea surface. Physalia inhabits the area where the ocean meets the atmosphere, in ...

A student-led research group from Tohoku University has discovered a new species of the venomous Physalia (commonly known as Portuguese man-of-war) that has never been seen before in northeast Japan.

A dangerous jellyfish has been spotted on the beach, a single sting from which can be fatal. Where was this jellyfish found?

On World Jellyfish Day 2025, uncover fascinating facts about these mesmerising ocean creatures. Dive into the mysterious world of jellyfish that continues to amaze scientists and nature lovers alike.

Here are the U.S. beaches with the most jellyfish stings, plus which species are common, and expert tips on how to avoid and ...

The Box Jellyfish is one of the deadliest creatures on Earth, capable of killing a human in just minutes with its powerful ...

Scientists in Japan discovered Physalia mikazuki, a new venomous jellyfish species carried north by warm currents.

The Irukandji jellyfish defies every rule of nature: tiny, translucent, and almost weightless, yet capable of killing within ...

Jellyfish Day honors one of Earth’s oldest and most fascinating creatures, glowing reminders of resilience beneath the waves.