Life made the modern Earth as much as the Earth made life, a new book by a philosopher of consciousness argues. That dynamic leaves humans with a unique set of moral questions, Peter Godfrey-Smith of ...

Explore 25 Major Events in Earth's 4.5 Billion Year History. Discover pivotal moments from its formation to the rise of life.

All organisms are made of living cells. While it is difficult to pinpoint exactly when the first cells came to exist, geologists' best estimates suggest at least as early as 3.8 billion years ago. But ...

Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs about how our continents formed and when plate tectonics began. A study ...

Here’s what you’ll learn when you read this story: In geological layers around the world (particularly in the southwestern U.S.) roughly one billion years of rock are missing—a mystery known as the ...

Learn about how Earth’s history is written in its rocks with this excerpt from “How to Read a Rock” Jan Zalasiewicz The pine tree, in this age-old relationship, is supported by the rock, and gains ...

Researchers looked through historical documents dating back to the fourth century to find total solar eclipses. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...