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 ...

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 ...