Mild winter weather creates ideal conditions for these jelly-like creatures that travel by wind and wash ashore in spring.

Imagine a world where sunlight never touches the ocean floor, where bizarre creatures drift through inky black waters, and ...

Imagine plunging into a world where sunlight barely penetrates, and the darkness is suddenly broken by mysterious flashes of ...

During his lifetime, David Packard was a Silicon Valley pioneer, starting one of the nation’s leading tech companies, Hewlett ...

Hordes of bright blue, jellyfish-like sea creatures are washing up on beaches across California. As of Monday, thousands of the critters — called velella velella or by-the-wind sailors — have been ...

For centuries, sailors spotted a soft white light across ocean waters, known as "milky seas." A new study examines the ...

Experts say Irukandji jellyfish are mostly distributed in the warm waters along the northern coasts of Australia – especially in the Coral Sea along Queensland - with some species occurring in parts ...

Here are the key developments on the 1,063rd day of Russia’s full-scale invasion of Ukraine.

The many-ribbed jellyfish can grow up to seven inches across and has delicate tentacles surrounding its bell. On the underside, it has a stomach and gonads, which are visible through its clear body.

The many-ribbed jellyfish uses bioluminescence as a defense mechanism against predators. Beachgoers along the Texas coast may notice an unusual jellyfish washing ashore — one that is nearly ...

Deep-sea mining research and ... with visual cues essential for bioluminescent organisms and visual predators. For delicate creatures such as jellyfish and siphonophores—gelatinous animals ...

They roam ocean currents while feeding on sea jellies and other tiny critters, and are considered harmless to humans.