Data from NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was used to create a water distribution map of the area near the moon's south pole. Credit: NASA's Goddard Space Flight Center ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Homolovi State Park was ranked among top road trip destinations in Arizona, and for good reason. Here's why you should make ...

Scientists across the world, including some in Arizona, are keeping an eye on an asteroid that has a very slim chance of ...

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.