Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river ...

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 ...

While previous simulations of ancient Earth's climate have put the planet's average surface temperature between 14 and 26 degrees Celsius (57.2 and 78.8 degrees Fahrenheit), the new model widens ...

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 ...

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.

Furthest? Yes, that is correct! Earth and the sun reached this point at 3:55 p.m. on Thursday. At that point in its orbit, the Earth was 94.5 million miles away from the sun.

Earth's average temperature on Wednesday remained at an unofficial record high set the day before, the latest grim milestone in a week that has seen series of climate-change-driven extremes.

Earth’s average temperature on Wednesday remained at an unofficial record high set the day before, the latest grim milestone in a week that has seen series of climate-change-driven extremes. The ...