Four billion years ago, Earth was violent, hot, and unstable. Yet new research suggests that by then, life had already reached a surprising level of complexity. At that time lived the last universal ...

Understanding how life began and evolved on Earth is a question that has fascinated humans for a long time, and modern scientists have made great advances when it comes to finding some answers. Now, ...

The mystery of life’s beginnings has long captivated scientists. Central to that search is LUCA—the last universal common ancestor. LUCA sits at the root of the evolutionary tree, where two great ...

Researchers have shed light on Earth's earliest ecosystem, showing that within a few hundred million years of planetary formation, life on Earth was already flourishing. An international team of ...

A new computational tool improves the analysis of genetic data, making it easier and faster to study the evolutionary relationships between species. A new computational tool improves the analysis of ...

Tuna, salmon, mackerel. I’ve never looked at my afternoon sushi and wondered if it’s related to humans. So, I asked one of those friends named Thomas Siek. He’s a biological anthropologist at ...

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