A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...

Researchers show the average surface temperature on our planet has shifted between 51.8 to 96.8 degrees Fahrenheit ...

A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

Astronomers developed a technique that uses a star's spectrum to chart variations in its temperature to the nearest tenth of ...