Buying a telescope is a big step, especially if you’re not sure what all those terms — f/ratio, magnification, go-to — mean. So, to eliminate confusion and make sure you understand what you’re buying, ...

A neutron star is a superdense remnant of a massive sun. A star that holds at least 8 times the Sun’s mass will burn through its material much faster than the Sun will. This massive star will then die ...

Planetary Society and California State University Dominguez Hills Team Up on Distance Learning Beginning Monday, February 7, a 13-week astronomy and planetary science course sponsored by The Planetary ...

Dr. Brian Keating presents astronomy as humanity's oldest science, tracing its evolution from ancient naked-eye observations to modern scientific inquiry, exploring how early astronomers like ...

In Astronomy 101, a seven-hour course, Dr. Brian Keating launches into a fascinating exploration of the history and principles of astronomy from ancient observations to cutting-edge discoveries, ...