Forecasts call for mild auroral activity Monday night that will weaken by Tuesday, when no states in the contiguous U.S. are ...

An active week of weather is ahead for the Valley. On Monday, we'll see partly cloudy skies with a high in the 80s.

The ice-giant planet Uranus, which travels around the sun tipped on its side, is a weird and mysterious world. Now, in an ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

We'll have to wait until next month. Arizona has seen its fair share of severe weather throughout the state. Watch a compilation of videos from various thunderstorms, floods, and fires from across ...