From red to blue, harmless to lethal, and microscopic to humongous, jellyfish come in all different shapes and sizes and are ...

Some jellyfish species carry venom strong enough to cause severe pain, heart complications, and nervous system disruption.

TEXAS, USA — A couple of strange-looking jellyfish spotted on North Padre Island this week turned out to be Atlantic box jellyfish, according to researchers with the Harte Research Institute. Jace ...

Box jellyfish get their name from their cube-shaped bell, with long tentacles trailing from each corner. When alive in the water, those tentacles can stretch several feet. "Unlike most jellyfish, they ...

The box jellyfish possesses one of the fastest-acting venoms found in the animal kingdom. Its tentacles deliver toxins that can disrupt the heart, nervous system, and blood cells almost immediately.

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company. By Alexa Robles-Gil In late ...

"Quad God" Ilia Malinin misses the podium after several uncharacteristic mistakes. The U.S. women's hockey team advances to the semifinals. On Friday, around 12:41 a.m., officers responded to a ...

HONOLULU (KHON2) — A Box Jellyfish Advisory has been issued after four people were stung in the Waikiki area on Sunday morning. On Sunday, Jan. 11, the first call came in at 8:22 a.m., EMS treated and ...

The Philippines, located within the Coral Triangle, is recognized as one of the world’s richest marine ecosystems. Yet, many marine species—such as carybdeid box jellyfish—remain poorly documented.

For three summers in a row, researchers working in the Mai Po Nature Reserve noticed something unusual drifting through the brackish shrimp ponds. At first glance, the small, translucent animal looked ...

Scientists recently discovered a new member of Tripedaliidae (a family of box jellyfish) living in brackish ponds near Hong Kong. Only 1.5 centimeters in length on average, these new jellyfish have 24 ...