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 ...

Scientists at the Massachusetts Institute of Technology (MIT) have uncovered what may be the first physical remnants of “proto-Earth,” the original version of our planet that existed before a massive ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth.