Visitors at the Oregon Coast in recent weeks have spotted something unusual along some stretches of the beach: large clusters of small, blue-tinted creatures that look sort of like jellyfish ...

Anya Stajner, a PhD candidate at Scripps Institution of Oceanography, urges beachgoers to exercise caution when touching or ...

The main species of jellyfish you're likely to encounter on Welsh beaches are: the lion's mane, compass, barrel or root mouth, blue, moon, by-the-wind-sailor, portuguese man-o-war and mauve ...