Large blooms of moon jellyfish are being seen from the River Derwent to halfway up Tasmania's east coast. A leading marine scientist has said "an incredible sequence of events" has led to the ...

Even before dinosaurs, jellyfish were on Earth – and in its seas and oceans – for millennia, according to National Geographic. The gelatinous creature's body is comprised of more than 95% ...

In 2006, beaches in Italy and Spain were closed because of a bloom of jellyfish known as mauve stingers. In 2013 a Swedish nuclear plant temporarily shut down because moon jellies were blocking ...