Our planet has a memory. Deep within ice cores and ocean sediments lies evidence of a time when Earth looked fundamentally ...

GAINESVILLE, Fla. --- A new international analysis of marine fossils shows that warming of the polar oceans during the Eocene, a greenhouse period that provides a glimpse of Earth's potential future ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 119, No. 17 (April 26, 2022), pp. 1-9 (9 pages) The Eocene–Oligocene Transition (∼33.9 Ma) marks the largest step ...

Our current rate of warming will quickly lead us back to a climate that predates the evolution of modern humans, according to a new study in the Proceedings of the National Academy of Sciences. That ...

Scientists have discovered how a spike in carbon dioxide over 50 million years ago may have caused global temperatures to soar to their highest levels in 66 million years—something they have dubbed a ...

Plant fossils dating back 55 to 40 million years ago, during the Eocene epoch reveal details about the warmer and wetter climate. These conditions meant there were palms at the North and South Pole ...

A new international analysis of marine fossils shows that warming of the polar oceans during the Eocene, a greenhouse period that provides a glimpse of Earth's potential future climate, was greater ...