This year August holds two aces up its sleeve: very favorable conditions for the Perseid meteor shower and a close gathering of planets in the west. Look for the Perseids after 10 p.m. the nights ...
December opens with Jupiter dropping into the sunset. On the 3rd, Saturn, Venus and Jupiter form a diagonal line with Jupiter in the sun’s afterglow and brilliant Venus almost exactly midway ...
Chandra X-ray Observatory observations of the Perseus galaxy cluster's black hole and M87's jet have been turned into sound by SYSTEM Sounds. The Chandra team explains how it was done.