There is more to light than meets the eye, and it teaches us a lot about the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Parts of ...

To the casual reader, the story may sound like a far-out effort at science fiction. But the moon tale told by Swedish Physicist Hannes Alfven amounts to much more than an imaginative voyage into the ...

Foreword; Preface; Contents; Chapter-1; The Origins of Astronomy; Human Experience of the Sky; Figures in the Sky: The Constellations; The Ancients' Astronomy; Chapter-2; The Babylonians; The ...

The announcement said that Astronomer Maarten Schmidt of Caltech had discovered a quasar (quasi-stellar radio source) racing away from earth at 80% of the speed of light. That brief observation last ...

This summer, a team of students and I were enjoying breathtaking views of the night sky while we collected data using telescopes at the McDonald Observatory in West Texas. One night, when we were ...