Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

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 ...

Mostly sunny with a high of 42 °F (5.6 °C). Winds NW at 9 mph (14.5 kph). Night - Partly cloudy. Winds variable at 5 to 8 mph (8 to 12.9 kph). The overnight low will be 22 °F (-5.6 °C). Mostly ...

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Imagine a place where the Wild West meets modern-day charm, perched precariously on a mountainside. Welcome to Jerome, ...

Diamondbacks pitcher Jordan Montgomery was asked about criticism from team owner Ken Kendrick after last season, and said it ...

A posse of volunteers tracked his movements over 57 square miles (148 square kilometers) using wildlife surveillance cameras ...

Saturday Night Live” was built with a cast of young no-names performing countercultural comedy. Fifty years later, it is ...

By Amy McDermott for the Proceedings of the National Academy of Science. Broadcast version by Mark Richardson for for ...