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 ...

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

A peculiar property of the Earth's magnetic field could help us to work out how our planet was created 4.5 billion years ago, according to a new scientific assessment. There are several theories about ...

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside Earth—hidden formations that have puzzled researchers for decades. New ...

Satellite image of Earth displayed the North American continent (top) and the South American continent (bottom). (Pixabay via Courthouse News) (CN) — Like making a cake, dry materials came before ...

Around 4.5 billion years ago, the Solar System formed in the midst of the chaos of an early universe. As objects flung through the eddies of space, our own planet survived several massive impacts. One ...

It’s one of the most enduring ideas about the formation of our solar system: Earth collided with a Mars-sized object, Theia, ...

What does it take to make an Earth-like planet? It takes a stellar nursery rich in carbon, oxygen, iron, and silicon in a combination that’s not too much, and not too little, but just right. But these ...

Scientists have discovered a meteorite older than Earth, offering the earliest clues to how the Solar System formed and how ...

There are several theories about how the Earth and the Moon were formed, most involving a giant impact. They vary from a model where the impacting object strikes the newly formed Earth a glancing blow ...