The rest of the country, including parts of the Navajo Nation within Arizona, observes daylight saving time. On Sunday at 2 a ...

Weekend conditions and temperatures statewide look to improve rapidly, with mostly sunny skies and highs in the mid-to upper ...

A live-updating map of novel coronavirus cases by zip code, courtesy of ESRI/JHU. Click on an area or use the search tool to enter a zip code. Use the + and - buttons to zoom in and out on the map.

Pluto was the little planet that could — until it couldn’t. Discovered in 1930 at Lowell Observatory in Flagstaff, Arizona, Pluto was hailed as the ninth planet in our solar system.

NASA launched a new space telescope to explore the origins of the universe. The SPHEREx mission, which stands for ...