An underwater videographer has just published mesmerizing footage of the world’s largest, longest, and heaviest known jellyfish species—a lion’s mane jelly. “Several minutes into the dive, I noticed a ...

Diver and underwater videographer John Roney shared mesmerizing footage from his last dive — a close-up of the world's largest jellyfish, the lion's mane jellyfish. As Gizmodo reported, the footage ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

At 830 feet below the waves off the Argentinian coast, deep-sea explorers caught a glimpse of a rare, giant phantom jellyfish ...