A 60-million year old fossil palm leaf from Alaska. A new study by researchers including Isabel Montañez at UC Davis has produced the most accurate chart to date of how Earth's temperature has changed ...

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The lithosphere — the outermost layer of the Earth — has long been assumed to be composed largely of solid rock. But a recent ...

Scientists discover hidden "ghost plume" that is so powerful that it is physically warping the internal layers of the planet ...

Ancient lycophytes may have survived extreme heat during Earth’s worst extinction using a rare photosynthesis method.

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...