While beachcombing this week along the Texas coast, I had one of those “wait, really?” moments that makes exploring the shoreline so much fun. Tucked among the usual sargassum, shells and windblown ...

Astrophysicists from the University of Waterloo have observed a new jellyfish galaxy, the most distant one of its kind ever captured. Jellyfish galaxies are named for the long, tentacle-like streams ...

The jellyfish has a bell size of up to one meter in diameter, and its four arms can reach lengths of up to about ten meters. A rare giant phantom jellyfish was spotted off the coast of Argentina ...

Achieving a length of 33 feet is a survival milestone for this giant phantom species. The Stygiomedusa genus contains only 1 member, complicating efforts to define its deep-sea evolution.

TEXAS, USA — A couple of strange-looking jellyfish spotted on North Padre Island this week turned out to be Atlantic box jellyfish, according to researchers with the Harte Research Institute. Jace ...

In a breathtaking deep-sea discovery, scientists recently spotted a rare phantom jellyfish the size of a school bus off the coast of Argentina. Known scientifically as Stygiomedusa gigantea, this ...

If you thought a normal-sized jellyfish was terrifying, wait ‘til you see a phantom jellyfish. Scientists filmed a rare giant phantom jellyfish off the coast of Argentina. The species can reach school ...

Cannibalistic jellyfish have flooded the waters of a major tourist destination, multiplying rapidly and destroying fishermen’s livelihoods. The creature is the warty comb jelly, also known as the sea ...

Humans began sleeping as a way to partly help reduce DNA damage in nerve cells, scientists at Bar-Ilan University in Israel discovered while studying jellyfish and sea anemones. Both species sleep for ...

Jellyfish and sea anemones are curious creatures: these organisms evolved without a brain and, as scientists discovered in the past several years, don’t need one to sleep. The animals do, however, ...

Jellyfish seem to sleep for about 8 hours a day, take midday naps and snooze more after a bad night’s sleep – just like us. Sleep is thought to have first evolved in marine creatures like these, and ...

Texas beaches are experiencing a rise in sightings of the massive, rare Australian white-spotted jellyfish. One beachgoer found a 16-inch jellyfish along the shores of Padre Island National Seashore ...