Knowing which genes are responsible for the transformations could help with developing antifungal treatments, and may have ...

A bizarre fossil called Prototaxites, which was the largest life-form on land 400 million years ago, may have been a ...

Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.

Hundreds of millions of years before dinosaurs, the tallest things on land were not trees or animals but towering, trunk-like ...

Evidence was found in marine sedimentary rocks near Gabon in Central Africa. A team of international researchers has challenged the long-held belief that complex life forms first emerged on Earth 635 ...

Ancient evidence suggests a new twist in how we all got here.

Primitive life forms thrived on Mars around the same time prehistoric life was developing in Earth’s oceans — but the Red Planet’s denizens doomed themselves, a new study suggests. Mars’ ...

The evolutionary origin of life forms known as eukaryotes – a category that includes plants and animals but also yeast and few other single-celled organisms – is still a mystery, but many scientists ...

Earth's population is estimated to be roughly 8 billion people, according to the United Nations. Depending on body size and thus the surface area of skin, a person could have more than 8 billion ...