A new analysis of lunar rocks now supports the idea that the moon was born in a gigantic collision between the nascent Earth and a mysterious planet-size rock, scientists say. Earth formed about 4 ...

A new theory has arisen as to how the moon was formed. According to researchers at NASA, the moon-- and Earth-- was part of… ...

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as ...

We don’t know the exact details, but the Giant Impact Hypothesis is the most widely accepted explanation for how our moon formed.

A new simulation created by researchers could give us a front row seat to how the Moon formed during Earth's early days.

The prevailing theory about how the Moon formed is that a Mars-sized rock called Theia slammed into the Earth more than four billion years ago, and the Moon formed from the resulting debris from ...

New studies support the theory that the moon was formed from debris left from a collision between the newborn Earth and a Mars-size rock.