"Before Hubble, no generation ever had access to unimaginably vibrant views of space, stretching almost all the way back to ...

For International Dark Sky Week, learn about the health benefits of a night sky unobstructed by artificial light.

One Arizona city made HGTV's list of 40 most charming downtowns in the U.S. Do you agree with their pick? Here are eight top things to do there.