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Tom Metcalfe

An image of the Milky Way, as seen from the Chilean desert.
Posted inNews

Zircon Crystals Could Reveal Earth’s Path Among the Stars

by Tom Metcalfe 10 October 202510 October 2025

Researchers found signs of melting in zircon crystals in the crust that correspond to our planet’s journey through the galaxy’s spiral arms.

Swirly white and black rock
Posted inNews

From First Continents to Fancy Countertops

by Tom Metcalfe 18 April 202420 June 2024

A new study suggests melting gabbros may have helped form Earth’s first continents, riling a long-standing debate.

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Marine Heatwaves Reshape Precipitation Patterns

6 November 20256 November 2025
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Publishing Participatory Science: The Community Science Exchange

20 October 202517 October 2025
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