For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are ...

They race, they spin, they shoot. Meet the organisms for which physical prowess is more than sport—it’s a matter of life and death ...

Scientific name of horse is Equus caballus. Learn about its classification, types, and equine evolution facts.

A bizarre fossil called Prototaxites, which was the largest life-form on land 400 million years ago, may have been a completely unknown form of multicellular life, according to a new study.

Micro-organisms constitute a very antique group of living organisms which appeared on the Earth’s surface almost 3000 million ...

A 512-million-year-old ecosystem, frozen in stone, reveals an explosive comeback after a mass extinction no one fully ...

A mysterious 420-million-year-old ancient life form challenges evolution, defying classification as plant, animal or fungus.

Dinosaur skeletons often dominate museum halls, from the towering Tyrannosaurus rex known as Sue in Chicago to Sophie the Stegosaurus in London. These fossils shape how you picture dinosaurs.

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have been like. As an organism that appeared to grow up through Earth’s crust in ...

Some of the littlest organisms in the ocean wield incredible influence, both on their ecosystems and on the planet. Like plants do on land, phytoplankton absorb sunlight and carbon dioxide and expel ...