Beachcombers who walk the Texas coast this March may spot an unusual jellyfish among the usual marine life. The Mushroom Cap Jellyfish (Rhopilema verrilli), a rarely seen visitor, has been washing ...

Box jellyfish is one of the world’s deadliest animals in the ocean thanks to a venom containing toxins that strike at the heart, nervous system and even skin cells of anyone unlucky enough to touch ...