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

Hundreds of feet below the ocean’s surface, somewhere between the dark ocean floor and the bright blue shallows, lies the twilight zone. It’s a world of the unknown, but in some tropical and ...

The tree of life grew in 2022 as California Academy of Sciences researchers and their international collaborators discovered 146 new animal, plant and fungi species. The previously unknown creatures ...

THIS vibrant individual is among the greatest living embodiments of a rainbow seen in nature. The rose-veiled fairy wrasse (Cirrhilabrus finifenmaa) is a newly described species, having long been ...