Scientists have unearthed faint chemical traces in rocks over 3.3 billion years old, potentially representing Earth's ...
By reconstructing ancient nitrogen-processing enzymes, scientists are uncovering new clues about how early life survived on a very different Earth.
Samples from the asteroid Ryugu revealed all five genetic nucleobases, suggesting the building blocks for life existed in ...
How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by researchers at the University of Lausanne presents a new geological "rock ...
How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared. But what ...
Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. We’ve pieced together a remarkably detailed timeline of ...
Utah State University biochemists Derek Harris, left, and Lance Seefeldt, and and fellow colleagues with the NASA-funded Metal Utilization and Selection across Eons (MUSE) project at the University of ...
How did life begin on Earth? While scientists have theories, they don’t yet fully understand the precise chemical steps that led to biology or when the first primitive life forms appeared. But what if ...