Earth & Environment

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Pacific Islands

BIRTH OF A PLATE  Scientists have a new origin story for the Pacific tectonic plate, which now underlies most of the Pacific Ocean. The plate formed in a gap between three other plates, the scientists propose.

iron

PRECIOUS METAL  Geochemists explore platinum, gold and other rare elements that are attracted to iron to understand how Earth's core formed billions of years ago. 

Themisto libellula amphipod

Even organisms that live in open waters of the Arctic, such as this Themisto libellula amphipod, get a lot of their carbon from algae that live in sea ice, a new study finds.

Earth & Environment

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