... A Red Dome Under the Big Dipper . ... Why would the dome of a telescopic observatory appear translucent red? As one of the telescopes of the Etscorn Observatory of New Mexico Tech waited to inspect small portions of the night sky, playful observers decided to make this unusual image. Cluster Crash Illuminates Dark Matter Conundrum . ... Moonless Perseid Sky . ... Last weekend, dark, moonless night skies brought many sightings of Perseid meteors to skygazers all over planet Earth. ...