Guam has numerous geological features worth exploring. At the base of the mountains east of Humåtak is volcanic columnal basalt in a gorge of the Astaban River plunging off Mount Bolanos.

Climate models produce widely varying predictions for what will happen to this influential ocean current, but most models ...

As the Mid-Barataria Sediment Diversion flounders amid politics, some scientists say that doubts about its effectiveness can ...

Contrary to common assumptions, Arctic ponds mix in more than one direction. A new study finds that nighttime sideways flows, not vertical mixing, renew bottom waters.

A provocative new hypothesis suggests that Yosemite Valley was carved by an ancient volcano and a disappearing river, both of ...

May 7, 2025 — Wealthy individuals have a higher carbon footprint. A new study quantifies the climate outcomes of these inequalities. It finds that the world's wealthiest 10% are responsible for ...

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