A 2020 astronaut photo shows the oasis town of Jubbah lurking within a paleolake in the wind shadow of Saudi Arabia's "two ...

By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of ...

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — a roiling mixture of rock and metal condensing within the nascent solar ...

Some 2.3 billion years ago, the Earth would have been unrecognizable to us. At that time, ancient microorganisms were the dominant life form; there were no animals, no plant life, and certainly no ...

New Curtin University research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. The key to unlocking ...

Life on ancient Earth may have reflected red and purple light, suggesting the planet was once dominated by purple organisms.

The Great Oxygenation Event marked a massive transition in life on Earth, when oxygen became plentiful and organisms suddenly had to adapt. Current conditions in Japanese hot springs give clues as to ...

What types of animals first existed on Earth long ago? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of scientists ...

Two perplexing structures deep inside Earth might be ancient remnants of our early planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Two ...