A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...

University of Iowa researchers found in a new study that images of Earth that kindle "blue marble awe" could create more favorable views of renewable energy and the environment.

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

The planet has been shattering heat records for the past two years. That was expected to ease in January—and the fact that it didn't has climate researchers worried.

In the heart of wintertime, when springtime flowers have yet to bloom and the sky remains gray one day after the next, it can ...