In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The ...

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 ...

As the planet cooled further some of the water vapour condensed out to form oceans and they ... What is climate change? The first life forms to evolve on Earth were microbes which could survive ...

As life evolved on Earth, it used and created minerals for exoskeletons and habitats. The hundred minerals present when life first formed have grown to about 5,000 today. For example, zircons are ...

Precambrian time covers the vast bulk of the Earth's history ... is not unlike one of the first life forms that appeared in the Precambrian era. Photograph by Joel Sartore, National Geographic ...

Humans have asked for a long time if there is, or was, life on Mars — David Bowie perhaps most melodically. That's a major reason why we keep sending robotic rovers to the Red Planet. But a new ...

According to a new study, the carbon atoms that form part of all life on Earth may have traveled outside the galaxy first.

Complex life on Earth may be older than previously thought ... before the Cambrian Explosion when most animal life began to form. Not everyone is in agreement with the findings of the study ...