July's night sky notes: A hero, a crown, and possibly a nova

High in the summer sky, the constellation Hercules acts as a centerpiece for late-night stargazers. At the center of Hercules is the "Keystone," a near-perfect square shape between the bright stars Vega and Arcturus that ...

Asimov's robots live on twenty years after his death

Renowned author Isaac Asimov died 20 years ago today. Although he wrote more than 500 books, the robot stories he began writing at age 19 are possibly his greatest accomplishment. They have become the starting point for any ...

page 1 from 2