Someone somewhere in an advertising department, most likely, came up with, "Diamonds are a girls’ best friend." What with Valentine’s Day approaching fast, a timely topic this week is not just a ...

Since 1986 I have had an affiliation with the Hayden Planetarium in New York. My "official" title there is "Associate and Guest Lecturer." Indeed, through all of these years I given scores of ...

The two brightest nighttime stars available in the Minnesota and Wisconsin sky are Sirius and Arcturus. April is the only month of the year we can enjoy both of them at the same time in the early ...

We on planet Earth thrive under a thick atmosphere of oxygen, nitrogen and other gasses; it not only sustains life on our planet but affects everything we ...