A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s surface temperature has changed over the past 485 million years. In a paper ...

Presently, the Earth's average global temperature is about 59 degrees Fahrenheit, cooler than much of the Phanerozoic era. However, human-induced climate change is driving temperature increases at ...

Palm trees in Alaska, crocodiles in Wyoming: Fossils show that Earth’s temperature has changed over hundreds of millions of years. Now a new study co-led by the Smithsonian and the University of ...

Earth’s average surface temperature spanned 51.8 degrees Fahrenheit to 96.8 degrees Fahrenheit through the Phanerozoic, with the planet being in the warmer temperature range more often, overall ...

A new study co-led by the University of Arizona and the Smithsonian offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. Published in ...

The timeline shows Earth’s average temperature dropping to as low as 11° Celsius and rising to as high as 36° C, researchers report in the Sept. 20 Science.