Despite being our planet's closest neighbour, scientists have been grappling with the mystery of our moon's origin for hundreds of years. Since the 1980s, experts have assumed that our lunar satellite ...

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 ...

The giant-impact hypothesis is presented as the leading explanation for the Moon's formation. The Moon's lower iron content, relative to Earth, is cited as evidence supporting the giant-impact theory, ...

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 ...

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 ...

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 ...