James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Earth is roughly 4.54 billion years old. In that time, it has seen continents form and disappear, ice caps expand and retreat, and life evolve from single-celled organisms into blue whales. But how do ...

Earth formed around 4.54 billion years ago. Knowing how old Earth is can be more difficult to confirm because Earth's age is not only based on the age of rocks, but also the isotopic estimates of what ...

The crust has survived massive amounts of upheaval and change. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A 4-billion-year-old piece of ...

Head to NCW web page to find out more about National Chemistry Week! The Earth is 4.565 billion years old, give or take a few million years. How do scientists know that? Since there’s no “established ...