An ambitious plan to sequence genomes for 1.85 million eukaryotic species on our planet is underway. It's a massive ...

For the past 65 million years, mammals have thrived across nearly every corner of Earth. In this time span, they have shaped ecosystems with their adaptability, diverse behaviors, and interactions ...

Imagine an animal that seems to be assembled from various other creatures: it has large eyes, the round body of a rabbit, a rodent’s pointed snout, tiny pig-like hooves, and even fangs like those of a ...

Had enough junk food? After a week of, well, Shark Week, a cheeky tabloid take on nature documentaries, it’s time for the real thing. A return to “Planet Earth,” if you will. David Attenborough ...

Two very different pterosaur species from Mongolia’s Gobi Desert are reshaping how scientists picture the Late Cretaceous ...

It's a sign of overall environmental health. Passengers capture video of unexpected visit from largest animal on earth — here ...

We can study animals from all over the world thanks to science, but what about those that no longer exist? The list of extinct mammals could go on for ages, but each animal has a unique story. With ...

(CNN) — The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ...

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