Orion Nebula
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One of the most remarkable sights in the night sky is M42, the Orion Nebula. It looks like a hazy […]
Closest Neighbor
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Proxima Centauri b is the closest planet outside our own solar system. So it’s natural to wonder whether it might
Morning Mercury
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Mercury’s appearances in our sky are like a game of whack-a-mole. First, the planet pops into view in the morning
Moon and Companions
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Bright lights encircle the crescent Moon during the early dawn twilight tomorrow – the star Antares and the planets Venus
Alhena
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The two brightest stars of Gemini — Pollux and Castor — are in pretty good view in the east-northeast not
Wasat
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Delta Geminorum has one claim to fame. It was just half a degree from Pluto when the little world was
Brighter Skies
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The night sky is getting brighter. The main culprit is light pollution – the glow of streetlamps, billboards, and many
Quadrantid Meteors
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The Quadrantid meteor shower should be at its best tonight. Unfortunately, “best” doesn’t mean great. That’s because the last-quarter Moon
Earth at Perihelion
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It might be winter here in the northern hemisphere, but the Sun is biggest and closest to us for the
Mount Stromlo
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When Geoffrey Duffield returned to Australia in late 1924, after a decade in England, he had a big job ahead