This was no ordinary expedition. It marked the first in-depth study of the geology, ocean conditions, and marine life beneath ...

Learn how the air-filled pneumatophore helps the Portuguese Man o’ War float and why it often ends up stranded on beaches.

Researchers witness gigantic iceberg A-84 breaking away from George VI, revealing an unknown ecosystem and giant phantom ...

Velellas are related to sea anemones, corals, hydroids and jellyfish. But unlike the latter, they can't swim and don't have enough propulsive ability to control their direction, Bracken said.

And when that happens they get blown and then they get stranded," Bracken said. Velellas are related to sea anemones, corals, hydroids and jellyfish. But unlike the latter, they can't swim and don't ...

Known as Velella velella or by-the-wind-sailors, the blobs are related to jellyfish, corals, sea anemones and hydroids, according to the National Park Service. The agency describes them as “flat, oval ...

"Velella velellas are not true jellyfish, but are related to jellyfish, as well as to sea anemones, corals and hydroids," the post said, citing the National Parks Service. "Velella velellas are a ...