The timing of Earth's early formation points to a planet that started out dry. So, life’s essential building blocks arrived ...

About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity. The Sun, planets, and eventually Earth formed out of the cloud. But when did ...

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 meteorite Erg Chech 002 found in the Sahara desert in 2020 is one of the oldest known space rocks. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

New research ultimately poses more questions than it answers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have eliminated one ...

Computational modeling shows that plate tectonics weren't necessary for early continents. The formation of Earth's continents billions of years ago set the stage for life to thrive. But scientists ...