Sleep, it turns out, is not a luxury reserved for animals with big brains and busy calendars. New research shows that ...

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 ...

The mythical Hydra may have been able to grow one of its many heads back every time it suffered a decapitation, but there are actual creatures capable of regenerating parts of their bodies bitten off ...

For Caribbean box jellyfish, learning is literally a no-brainer. In a new experiment, these animals learned to spot and avoid obstacles despite having no central brain, researchers report September 22 ...

Most living creatures are bound by the fact of birth, aging and death. Few, however, have evolved to break the typical life cycle. The aptly named immortal jellyfish (Turritopsis dohrnii) is one such ...

“I don’t think it’s time to push the panic button yet,” an expert said, after rising reports of swarms and stings for beachgoers in parts of the Eastern Seaboard. By Adeel Hassan No, dear beachgoer, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Despite lacking blood, a heart, or a brain, slimy jellyfish are ...

Jellyfish infestations are troubling tourists and scientists alike. A diver attaches a sensor to a large Echizen jellyfish, Oct. 4, 2005 off the coast of Komatsu in Ishikawa prefecture, Japan. Yomiuri ...

Add Yahoo as a preferred source to see more of our stories on Google. Everyone loves going to the Delaware beaches and having fun in the Atlantic Ocean, but you also have to respect everything that ...