"The deep-time history of Earth provides critical evidence of how greenhouse gases reshape the global climate. "While the Eocene's changes occurred over millennia, similar shifts could happen at ...

Around 56 million years ago, at the boundary between the Paleocene and Eocene, Earth's temperature warmed by up to 8 °C (14.4 °F). This has always been a bit of a puzzle – but planetary ...

They wouldn't have encountered a speck of ice; even before the events we're talking about, Earth was already much warmer than it is today. But as the Paleocene epoch gave way to the Eocene ...

A forgotten fossil in a German museum turned out to be a rare Diatryma skull. Scientists corrected a decades-old ...

The event is known as the Palaeocene-Eocene Thermal Maximum (PETM ... porpoises and dolphins would not exist if it weren’t for Earth resembling some form of enormous sauna.