Dispatches
Notes from the registry
Short essays on the science and the trade — how a bubble of gas proved some rocks came from Mars, why irons weep rust, and what it means to hold the oldest thing you can own.
Why Every Specimen Ships With Its Paperwork
A meteorite without documentation is just a rock. Here is the record we keep, and why.
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The Fingerprint in the Glass
How a few bubbles of trapped gas proved that some meteorites came from Mars.
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The Slow Death of a Neglected Iron
Why some iron meteorites weep orange rust and fall apart — and how collectors stop it.
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The Oldest Thing You Can Own
A cheap chondrite on your desk is older than the Earth. Sit with that for a second.
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How We Grade a Specimen
Our 1–10 registry grade, and the five things behind every number.
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In Defence of the Desert Find
Weathered, cheap and plentiful — why the humble desert meteorite deserves more respect.
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