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New Ice Age Toad, Spea labreae, Described From La Brea Tar Pits

Small amphibian fossils provide precise clues to Late Pleistocene climate.

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

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