Earth’s crust looks solid from the surface, but it is broken into a shifting mosaic of slabs that slowly rearrange oceans and continents. Understanding how those tectonic plates first formed is one of ...

How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon. When you purchase through links on our site, we may earn an affiliate ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

Everyone wants to know the answer to how life began on Earth, but few people are as singularly focused on the question as Ramanarayanan Krishnamurthy.

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...