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Ancient Antarctic Ice Extends Climate Records to 3 Million Years, Points to Ocean‑Led Shifts

Trapped air in Allan Hills blue‑ice cores reveals unexpectedly low and steady greenhouse‑gas concentrations in the late Pliocene and early Pleistocene.

Helium-3 Dating Reveals Rapid Post-Impact Evolution in Ocean Plankton

Mars’ Gravity Helps Drive Earth’s Ice‑Age Cycles, New Simulations Show

Ancient Salt Yields First Direct Mesoproterozoic CO2, Indicating a Mild 1.4-Billion-Year Climate

Scientists Date Antarctica’s Oldest Ice and Air to 6 Million Years at Allan Hills

Science Study Identifies Ocean Feedback That Could Overcorrect Warming Into an Ice Age

Shocked Quartz at Three Clovis Sites Revives Case for Younger Dryas Comet Airburst