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 ...

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 ...

Ah, it’s a lovely night for enjoying the outdoors. You go outside in the warm summer air to listen to the crickets and breathe in the scents of verdant life and then turn your head to the heavens. You ...