Giant Impact Theory

The Early Solar System was Messier and More Violent Than Previously Believed

Our conventional models of planet formation may have to be updated, according to a pair of new papers. Accretion is…

2 months ago

Apollo Rocks Reveal the Moon’s Early History

A new analysis of lunar rock samples has revealed details about its early history, particularly how the Moon's iron core…

9 months ago

The Moon Might Have Formed a Little Later than Originally Believed

A new study indicates that the Moon is actually younger than we thought, and wasn't finished forming until the Earth's…

1 year ago

The Moon Might Be More Metal-Rich Than We Thought

A new study shows that the Moon is more metal-rich than previously thought. That has some far-reaching implications for our…

1 year ago

New Study Shows the Earth and Moon are not so Similar After All

A new study shows that Earth and the Moon are not as similar as we thought, which helps resolve a…

2 years ago

The Moon is Older Than Scientists Thought

The most comprehensive and widely-held theory of how the Moon formed is called the 'giant impact hypothesis.' That hypothesis shows…

2 years ago

When the Impact that Created the Moon Happened, the early Earth was still a ball of magma

A new study has illustrated how the impact between a proto-Earth and a Mars-sized object could have led the Moon…

3 years ago

One of the Oldest Earth Rocks Turned up on the Moon, of all Places

A recent study has determined that the oldest sample of Earth rock ever discovered (~4 billion years old) was actually…

3 years ago

Forming Dense Metal Planets like Mercury is Probably Pretty Difficult and Rare in the Universe

A new study by a team of Swiss astronomers indicates that Mercury-like planets, which have a high iron-to-rock ration, are…

3 years ago

Was There a Time When the Moon was Habitable?

According to a new study by a European team, the Moon may have been habitable during two periods in the…

3 years ago