Scientists have uncovered the earliest chemical evidence of life on Earth, in a discovery that could revolutionise our understanding of how ancient molecules evolved. As part of a groundbreaking study ...

Maybe the first life on Earth was part of an 'RNA world.' Artur Plawgo/Science Photo Library via Getty Images How life on Earth started has puzzled scientists for a long time. And it still does.

Earth's earliest life left behind very few chemical traces. Fragile remains, like ancient cells and microbial mats, were buried, squeezed, heated, and broken apart by the planet's shifting crust ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

The isotopic composition of carbon in iron formations from the Saglek-Hebron Complex in Nunatsiavut (northern Labrador) has been seen as evidence of the earliest traces of life on Earth. But a new ...

Deep in some of Earth’s oldest rocks, traces of ancient life still linger, even when every cell has crumbled. You would not see shells, bones, or clear microfossils in these rocks. Instead, you would ...

The microbiome shapes development of insulin-producing cells in infancy, leading to long-term changes in metabolism and diabetes risk, new research in mice has found. The results could ultimately help ...