The clearest picture yet of our “last universal common ancestor” suggests it was a relatively complex organism living 4.2 billion years ago, a time long considered too harsh for life to flourish.

The message was Earth's first genuine attempt at communicating with whatever—or whoever—might be ... formulas for DNA's ...

In a discovery that may further our understanding of the early evolution of life on Earth, a research team, including associate professor Andrew Palmer and master's student Caitlyn Hubric ...

The new findings could change the way scientists understand how Earth and its fledgling life responded to bombardment from space rocks not long after the planet formed. Early in Earth’s history ...

This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first emerged. The key to unlocking the secrets of distant planets starts right here on Earth.

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.

Few questions have captivated humankind more than the origin of life on Earth. How did the first living cells come to exist?

Finding evidence for the first life ever to emerge on planet earth is a long, tough slog. But oddly enough, real answers may ultimately come from Mars.

Sep. 13, 2023 — The very first life on earth is thought to have developed from 'protocells' -- liquid mixtures of many different types of molecules. Researchers have now shown that in such ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

A meteorite might have acted as a ‘giant fertilizer bomb’ that helped early microorganisms to thrive. Plus, 5 million tonnes of diamond dust sprinkled in the skies each year could cool the ...