Scientists believe that long-ago supernova explosions sculpted this vast bubble, blasting away surrounding interstellar gas.

Astronomers have made a startling discovery of cosmic channels that connect our solar system to far-off stars, reshaping our understanding of the interstellar medium. This revelation, based on ...

Purcell, E. M., talk at Professional Group on Microwave Theory and Techniques, Inst. Rad. Eng., (June 1959). Struve, O., K. T. Compton Lecture, Mass. Inst. Tech ...