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meteorites

Q&A

The Woman Who Gets Called When a Piece of Mars Falls From the Sky

December 18, 2018

Planetary geologist Meenakshi Wadhwa uses Martian meteorites to trace the history of our solar system.

Abstractions blog

A Quasicrystal’s Shocking Origin

July 8, 2016

By blasting a stack of minerals with a four-meter-long gun, scientists have found a new clue about the backstory of a very strange rock.

Physics

In a Grain, a Glimpse of the Cosmos

June 13, 2014

When scientists traced a museum rock back to its origins, they uncovered mysteries about the early solar system.