The ‘David Packard’ is named for the Silicon Valley pioneer who donated more than $1 billion to ocean research.

Jellyfish can produce offspring both sexually and asexually; depending on the species, they may be able ... a senior scientist at the Monterey Bay Aquarium Research Institute.

This jellyfish species, reaching up to 7 inches in diameter, is identifiable by its visible stomach and gonads. The many-ribbed jellyfish uses bioluminescence as a defense mechanism against predators.

Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

Biologists Henk-Jan Hoving (GEOMAR Helmholtz Center for Ocean Research Kiel) and Steve Haddock (Monterey Bay Aquarium ... a female with the remnants of a jellyfish caught among her tentacles.