The crown of thorns is a striking houseplant with bright green foliage and tiny flowers enclosed with bright bracts of pink, ...

Crown-of-thorns starfish have been reproducing at high levels, causing trouble for coral reefs surrounding Guam, so the more ...

Crown-of-thorns starfish populations are again flourishing along the Great Barrier Reef. Symon Dworjanyn is a professor of marine ecology at Southern Cross university. "Crown-of-thorns starfish ...