... Expanding light echoes continue to illuminate the dusty environs of V838 Monocerotis, mysterious variable star near the edge of our Galaxy. ... A Twisted Meteor Train . ... Did this meteor leave a twisting path? ... Saturns Iapetus: Moon with a Strange Surface . ... What has happened to Saturn's moon Iapetus? A strange ridge crosses the moon near the equator, visible near the bottom of the above image, making Iapetus appear similar to the pit of a peach. ... First Launch of the Delta IV Heavy . ...