A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

The Garmin Marathon Series in Toledo will take place on September 21. Registration is open for all race distances in Toledo.

Will the heat be normal or extreme this summer in Arizona? Will it be a rainy monsoon season? Here's what Old Farmer's ...

The National Weather Service shows Tucson could hit 100 degrees on Friday, blasting through a record 99 degrees on the same ...

The National Weather Service (NWS) is no longer offering translated warnings, a decision affecting over 60 million ...

If we manage to reach that triple digit mark by the end of this week it will be the earliest we have ever seen a 100 ...

The low pressure system that has been whipping up clouds and moisture will move to the east, bringing a quieter weather ...

PHOENIX - Quiet weather will continue throughout the week, thanks to high pressure. Skies will be mostly sunny through ...

Temps will warm back up into the 80s this weekend. Next week, we may see triple digits in the Valley. PHOENIX - Our active ...

Comet SWAN25F is currently best seen low in the morning sky and views are expected to improve over the coming weeks. If you want to see the comet for yourself you can track its position, check the ...

Without any staff in place, states question how and if they will get the rest of their money, especially for upcoming summer ...