Imagine drifting through the ocean, surrounded by creatures so alien and ancient that they predate dinosaurs, trees, and even ...

A massive jellyfish with tentacles stretching more than 100 feet washed ashore a Maine beach last weekend — with swimmers and ...

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 ...

As pulsing blobs, jellyfish seem out of place among the ranks of sleek, efficient predators of the sea. However, new research indicates that they rival plankton-eating fish, such as sardines and ...

As summer temperatures rise and more people flock to the beaches, sightings of jellyfish—especially the purple jellyfish—are ...

Burgessomedusa adds to the complexity of Cambrian foodwebs, and like Anomalocaris which lived in the same environment, these jellyfish were efficient swimming predators,” said study coauthor Dr ...

Drifting along in ocean currents, jellyfish can be both predator and prey. They eat almost anything they can capture, and follow the typical oceanic pattern of large eats small.

New Jersey is known for its beautiful sandy beaches and fun boardwalks, but a painful predator is common in this summertime paradise. Stinging jellyfish have made homes of the Jersey Shore, its ...

Jellyfish populations tend to wax and wane as conditions and their food supply does. In many species, this oscillation occurs in a 20-or-so-year cycle.

Jellyfish are more appetising to deep sea creatures than we thought – and scientists don't know why. A new way to peer inside the stomachs of ocean predators has scientists rethinking the food chain ...