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 ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Despite lacking blood, a heart, or a brain, slimy jellyfish are one ...

Despite the stings, sampling jellyfish in the Mediterranean Sea off Italy is the best part of my work. Because the Mediterranean has warmed, coastal jellyfish populations have been increasing. I have ...

The specimens are evidence of how little the squishy, tentacled predators have changed over the history of life on Earth. By Jack Tamisiea Jellyfish have been floating through Earth’s oceans seemingly ...

To meet growing demand for critical minerals, particularly those vital for clean energy technologies, some mining companies have proposed to extract them from the seafloor. In understanding the ...

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 ...