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

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 ...

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 ...

The solar system floats inside a vast, million-degree hot bubble—an invisible cocoon of thin gas that glows in X-ray light. Known as the Local Hot Bubble (LHB), this low-density cavity stretches more ...

Is the Moon’s slow retreat from Earth a cosmic time bomb in our planet’s relationship or an entry to the precision of modern ...

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.

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 ...

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 ...