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

Nationally speaking, does this winter seem a little odd? Much of the South has overachieved on snowfall and recent cold ...

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

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

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

Sections of two major Valley freeways will be closed for construction projects this weekend, affecting drivers heading near ...

A dry January across Colorado and the rest of the Rocky Mountain West has created a dichotomy of water haves and have-nots.

A charming Arizona town in the west was designated as the world's first International Dark Sky City, meaning it offers beautiful views of the Milky Way.

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

A freeze warning is in place for several California counties, according to the National Weather Service (NWS). While four states; New York, Ohio, Arizona, and California also have winter weather ...

A recent rainstorm broke a long dry streak, but warm and dry weather trends are expected to continue into spring.