Alongside a crescent moon, Mercury, Venus and Saturn will become visible to stargazers just before dawn on Friday morning. According to NASA, the planetary phenomenon will be clearest about 45 minutes ...

Look to the eastern sky late Thursday, and a clear horizon will show you this unusual, grinning planet alignment.

Learn about the solar system from a pair of real space museum curators in sci-fi game Elite Dangerous, as Abbie MacKinnon and Laura Joy Pieters of the London Science Museum give a guided tour of our ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...