When a new comet appears in the sky, there is often excitement. But things don’t always end well for the ancient celestial ...

a postdoctoral fellow studying small body astronomy at Lowell Observatory in Flagstaff, Arizona. The latest ground-based observations from telescopes do seem to imply the comet has fallen apart ...

There's a beautiful city in Arizona that gets even more stunning at night because it's one of the best stargazing ...

In 1894, Lowell built an observatory in Flagstaff ... To this day, no one knows whether Lowell's maps were the result of fatigue, optical illusions or, perhaps, the pattern of blood vessels ...