News

New astronomy trail debuts in Tucson, a city protective of its dark skies
A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...
Why Tucson is one of the best places in the world to see the night sky
A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...
If Planet Nine is out there, this telescope might actually find it
A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...