About 4.5 billion years ago, a Mars-sized object, named Theia, slammed into a proto-Earth to create the Moon.

For decades, scientists have held to the idea that the Moon was formed by a single, massive impact between Earth and a Mars-sized body known as Theia. But recent research suggests the truth might be ...

For more than half a century, scientists pictured the Moon as an almost fully reduced world where iron stayed locked in low-oxygen states. That idea came from Apollo samples, which showed that solar ...

HONOLULU (KHON2) — Scientists continue to explore the deep story of how Earth and the moon formed. One idea has gained attention because it pushes us to imagine the planet in its earliest and wildest ...

The story of how the Moon came to be has always carried a touch of mystery. Picture the young Solar System as a restless place where new worlds grew from swirling gas, dust, and rock. In that chaotic ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists continue to explore the deep story of how Earth and the moon formed. One idea has gained attention because it pushes us ...