Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Throughout the Western world, Madagascar is perhaps best known as a hot spot for wildlife, home to lemurs, chameleons, and other animals — a reputation popularized by movies like Madagascar and shows ...

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 ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our planet's history.

A team of scientists digging up some of the Earth’s oldest rocks has uncovered new chemical evidence that Earth’s first animals were likely ancestors of the modern sea sponge. The discovery relies on ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...

Our planet is brimming with life, and the diversity of animal species on Earth is staggering. Over 2.1 million animal species have been described, but zoologists estimate that millions more have yet ...

A new analysis of more than 70,000 wild animal species reveals that climate change now threatens thousands of to the planet’s wildlife, along with overexploitation and habitat degradation. The study ...

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 ancestor. The ...