Arizona has a huge new observatory. Here's everything you can see and do
The dramatic Marley Foundation Astronomy Discover Center at Lowell Observatory in Flagstaff has a rooftop viewing deck and state-of-the-art theater.
The Cool Down on MSN50m
Scientists make extraordinary discovery deep in the ocean: 'That kind of changes our thinking'
According to the National Oceanic and Atmospheric Administration, the ocean traditionally functions as a "carbon sink" that ...