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Articles on Geology

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Scientists have been studying lunar samples brought back from Apollo missions to understand the geologic history of the Moon. NASA

Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo

Without a magnetic field, the Moon’s surface is exposed to solar wind. These could have been depositing resources like water and potential rocket fuel on the Moon’s surface for billions of years.
Mars northern polar cap, photographed by the NASA Mars Reconnaissance Orbiter mission. NASA/JPL-Caltech/MSSS

Why is there so little water left on Mars?

New results show why and how water is disappearing from Mars atmosphere.
New research suggests that Venus’ crust is broken into large blocks – the dark reddish–purple areas – that are surrounded by belts of tectonic structures shown in lighter yellow–red. Paul K. Byrne/NASA/USGS

The surface of Venus is cracked and moves like ice floating on the ocean – likely due to tectonic activity

Researchers used decades-old radar data and found that some low-lying areas of Venus’ crust are moving and jostling. This evidence is some of the strongest yet of tectonic activity on Venus.

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