A recent exploration off Argentina’s coast found a rarely seen jellyfish the size of a school bus. The giant phantom ...

Scientist off the coast of Argentina are reeling after a rare giant jellyfish sighting. The underwater footage offers a ...

Aging gracefully comes naturally to these creatures, which can live for hundreds, and sometimes even thousands, of years Brian Handwerk - Science Correspondent Life is short, the old saying goes, but ...

A newly described blue jellyfish in Japanese waters has stunned researchers with an otherworldly glow that looks less like a ...

OceanX explorers filmed the drifting red helmet jellyfish in the deep waters off the Scandinavian coast. When deep-sea ...

Beachgoers are urged to avoid touching the cube-shape jellies.

Sleep appears to have emerged far earlier in animal evolution than previously thought, according to new research examining ...

Go behind the scenes at the Greensboro Science Center to meet moon jellyfish and learn surprising facts from animal care specialist Elizabeth Hincker.

Adrian Barnett explains why the Praya dubia is not just one of the longest predators in the ocean, but one of the most abundant too.

Beachgoers should watch for box jellyfish in Guam's waters for three days next week as the marine animals follow their monthly pattern tied to moon phases.