After studying the chemical makeup of lunar rocks, scientists say they have found new evidence that disproves one of the leading theories of how the Moon formed. The evidence hinges on the presence of ...

Among the inner solar system, Earth is the only planet that experiences plate tectonics. A new study, using convection models, shows that Earth’s collision with the protoplanet Theia some 4.5 billion ...

The moon did indeed coalesce out of tiny bits of pulverized planet blasted into space by a catastrophic collision 4.5 billion years ago, two new studies suggest. The new research potentially plugs a ...

Everything we thought we knew about the moon's origins may be wrong, new research suggests. Ever since we landed the first humans on the moon, scientists have thought that our lone lunar companion ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The formation of the moon has long remained a mystery, but new studies support the theory that ...

A titanium signature is posing a new puzzle for the popular theory that the Moon formed when a Mars-size body smacked into Earth some 4.5 billion years ago A chemical analysis of lunar rocks may force ...