Astrobiology Magazine – Astronomy Now

14 April 2026

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Rare metals on Mars and Earth implicate colossal impacts

4 April 2018 Astronomy Now

New research has revealed that a giant impact on Mars more than four billion years ago would explain the unusual amount of “iron loving” elements in the Red Planet.

Comet provides rare chance to study Solar System’s origins

4 April 2018 Astronomy Now

More samples of comets are urgently required to better understand the early history of the Solar System, say researchers analyzing comet dust brought back to Earth by NASA’s Stardust mission in 2006.