Intergalactic Planetary
A blog by Giulia Magnarini
All things planetary geology — rocks, impact craters, space exploration, and whatever else connects the Solar System to the ground beneath our feet.
August 28, 2026
Long-runout landslides are highly mobile landslides common across the Solar System but the mechanism responsible for their behaviour continues to defy scientists' understanding.
Read more →November 20, 2025
Not all craters invisible on the present-day surface are completely lost. The record of their past existence is locked somewhere else — geological and geophysical data can help reveal it.
Read more →August 31, 2024
Some regions on Earth are extensively pockmarked by craters — but these were not formed by meteorite impacts. They are a legacy of decades of nuclear bomb testing.
Read more →January 4, 2024
Impact cratering is the most fundamental geological process in the Solar System. Earth's atmosphere acts as a shield — but this can give the false impression that impacts are an ancient, finished story. They are very much a present-day process.
Read more →October 30, 2023
The Natural History Museum in London hosts two Moon rocks collected during the Apollo missions. Here is where to find them, what they are, and why they matter.
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