Lovingly nicknamed “sea gooseberry,” it glides through waters like a squishy crystal or a blimpy iridescent water balloon. It has been observed in deep ocean trenches and coastal waters across the ...

Six species of comb jellies have been recorded in Colombian waters for the first time following a comprehensive inventory of ctenophores in the Caribbean and Pacific. Published in Revista de la ...

The city of Venice and its surrounding lagoon are irreversibly at the mercy of climate change. Rising sea levels threaten to submerge the island in the coming decades, as the system of flood barriers ...

Which animals came first? For more than a century, most evidence suggested that sponges, immobile filter-feeders that lack muscles, neurons and other specialized tissues, were the first animal ...

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 ...

This video originally posted to TikTok on January 29, 2021. Writer: Christie Wilcox Fact checker: Kyle Nackers Script Editor: Alexis Dahl Savannah Geary: Editor Hiroka Matsushima: Producer Caitlin ...

All Earth’s creatures descend from a single ancestor, aged 600 to 800 million years. Debates among researchers focused on whether sponges or comb jellies came first among all animals. Some thought it ...