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Here's when and where you can watch the Moon cover stars and planets this year. NOTHING ELSE IN the sky beyond our atmosphere happens so fast. Perhaps you've watched in [...]

Mobile observers with video cameras, augmenting coverage by others at observatories, can contribute significantly to our knowledge of tiny asteroids. TO SEE A STAR SUDDENLY DROP out of sight, only [...]

THE FASTEST EVENTS in visual astronomy are occultations. The snapping out of a star's light by the Moon's advancing edge -- something you can see in a small telescope many [...]

JUPITER'S FOUR BRIGHT MOONS CAN be identified at any time in January from the diagram at left. For telescopic observers, listed below are interesting circumstances involving the moons and Jupiter [...]

SKYWATCHERS GOT AN EARLY DOSE OF 'Mars Mania' July 17th when the red planet made a dramatic pairing with the waning gibbous Moon in the predawn sky. Early risers along [...]