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 ...

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.

A recent exploration off Argentina’s coast found a rarely seen jellyfish the size of a school bus. The giant phantom jellyfish is rarely observed because it is a deep-sea species, which makes this ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Harte Research Institute A couple of strange-looking jellyfish spotted on North Padre Island this week turned out to be Atlantic ...

Box jellyfish get their name from their cube-shaped bell, with long tentacles trailing from each corner. When alive in the water, those tentacles can stretch several feet. "Unlike most jellyfish, they ...

Officials say warm water and winds likely pushed the jellyfish into shallow waters Thousands of lion’s mane jellyfish have washed ashore across Port Phillip Bay in Melbourne, Australia Authorities are ...

University of Cambridge and Anglia Ruskin University (ARU) provide funding as members of The Conversation UK. An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its ...

Turns out jellyfish and sea anemones – among the ancient creatures with a nervous system instead of a brain – have a very similar sleeping routine to our own. A new study published in Nature ...

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 ...