So it’s surprising that this species in the phylum Cnidarians (along with jellyfish, corals, and other sea creatures) ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

The deep sea is home to many different animals, some of which you may have never heard of before. One example is the ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers have ...

Led by Scott Evans, assistant curator of invertebrate palaeontology at the American Museum of Natural History, it draws on ...

In CUriosity, experts across the CU Boulder campus answer pressing questions about humans, our planet and the universe beyond. This week, Jingchun Li, associate professor in the Department of Ecology ...

The remarkable discovery of animal life beneath the seafloor shows that life finds a way even in the most extreme environments, potentially boosting hopes for finding life beyond Earth. Reading time 4 ...

This year was marked by many broken records in the ocean. Joseph Prezioso / AFP via Getty Images This year many ocean records were broken as unprecedented heat spread across the Caribbean Basin and as ...