Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...

Strange creatures straight out of a science-fiction movie have been captured by scientists off the coast of Antarctica. Pink and bulbous "sea pigs", hand-sized sea spiders and delicate sea butterflies ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

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The world's oceans are big and dark and deep. They cover approximately 70% of the planet’s surface and contain a huge portion of Earth’s biodiversity. If you want to find some of the weirdest ...

The sea pig just happened to be in the wrong place at the wrong time. Sea pigs (a.k.a. Scotoplanes, a relative of the sea cucumber) look like caterpillars in drag, with flashy horns and bright colors.

Researchers aboard the RSV Nuyina are on a two-month mission to better understand a massive Antarctic glacier. Australian Antarctic Division Armed with lab equipment and two months of food and clothes ...

Some of the world’s most fascinating creatures live underwater. And unlike the more mainstream animals under the sea — seahorses, sharks, and even deep sea anglerfish — one cool member of the aquatic ...

(CNN) — Ancient glass sponges. A Barbie-pink sea pig sauntering along the seafloor. A transparent unicumber hovering in the depths. These wonders are just an initial snapshot of fantastic creatures ...