Today, Earth is home to animals of all shapes and ... and evolved over millions of years of evolution. But what was the first animal on the planet? The answer to this question is heavily debated ...

Today it represents something quite different: a set of extraordinary clues, recently reinterpreted, to one of the deepest and most puzzling mysteries of life on Earth. After burbling along for ...

About 4 billion years ago, Earth began to show signs of the conditions that allowed the first cells to take hold and populate ...

Life on Earth looks good ... the very first traces of life consist of microbial bacteria lacking a nucleus, while it’s widely accepted that animal organisms began more recently at about 635 ...

New simulation suggests millions of undiscovered terrestrial species, revealing hidden patterns in biodiversity and animal ...

dramatically. It was the time of the Cambrian Explosion, an eruption of life when Earth’s very first animals began appearing in the fossil record — the ancestors of all major animal groups ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Researchers studying fossils from Australia have discovered what they believe is the ...

And yet, fungi have also been integral to the development of life on Earth. In fact, neither land plants nor terrestrial animals would ... Fungi were some of the first complex life forms on ...

The first creatures ... all the animals depending on that ice for hunting, resting, reproducing, and other key life activities lose the platform on which their existence depends. At the other end of ...