Space & PhysicsJune 10, 2016
The Most Mysterious Star in the Galaxy
The object known unofficially as Tabby's Star dims every so often in a chaotic pattern—and nobody knows why
Stories by Bradley E. Schaefer
Bradley E. Schaefer is now a professor of astronomy at the Louisiana State University, but he started out in astronomy in seventh grade reading Scientific American, and having fun with Martin Gardiner's Mathematical Games column
EvolutionNovember 1, 2006
The Origin of the Greek Constellations
Astronomy and archaeology have together uncovered the history of how the star pictures came to be--and how people have used them over time
The SciencesFebruary 1, 1985
Gamma-Ray Bursters
Intense flashes of high-energy radiation appear unpredictably in the sky. Limited observational data have frustrated attempts to determine their cause, but likely mechanisms have been proposed