Tucked into the southwest corner of the United States, Arizona offers something for every type of traveler. Some standout highlights include the Grand Canyon, the Wild West town of Tombstone and the ...

Welcome to Trackside Mall in Idaho Falls, Idaho – a place where your grandmother’s attic meets a museum of curiosities, with a dash of “I can’t believe someone actually bought that” thrown in for good ...

One of the most impressive features of Arkansas Peddlers Antique Mall is its ever-changing inventory. Unlike a traditional ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...

The sky isn't just blue by chance. It takes all the colors of the rainbow for us to see it that way. It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after ...

Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we see only blue, despite it all starting with a rainbow of colors.

As it crosses the meridian shortly after 8 p.m. local standard time, it will climb so very high in the sky that from central Florida and southern Texas it will be seen overhead. For watchers in ...