The surface of our world has been in a constant state of flux for millions of years. Continents have wandered, oceans have ...

What Scientists Found in 1.4 Billion-Year-Old Air Is Reshaping Our Understanding of Early Earth ...

Scientists may have discovered a reaction that provides the “missing link” to help explain how early life formed on Earth about 4 billion years ago. All living things contain ribonucleic acid, ...

Researchers have discovered that chemical reactions in underwater hydrothermal vents could have produced the necessary ...

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

Dust brought back to Earth by China's Chang'e-6 mission contains rare meteorite relics that could change our understanding of sources of water and other life-essential ingredients in our solar system.

In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place. Violent volcanoes, crashing meteorites, and constant tectonic activity repeatedly resurfaced ...