Posts by 

John Jardine Goss

July full moon is the Buck Moon and a supermoon

The July full moon – the Buck Moon – falls overnight tonight, and is fullest at 11:39 UTC (6:39 a.m. CDT) tomorrow. It's also a supermoon.

Full moon in June mimics path of December sun

The June full moon - the Strawberry Moon - occurs on the overnight of June 3, 2023. Watch its path across the sky. You'll see it mimics the December sun.

May full moon is the Flower Moon

The May full moon occurs near mid-day today, May 5. The moon looks full on the overnights of May 4, 5, and 6. Learn more about the Flower Moon.

Best of 2023: Night sky events not to miss

Best of 2023: Find the most magnificent night sky scenes that you won't want to miss, chosen for you by the editors of EarthSky. Planets, eclipses and more!

Castor and Pollux sink to the horizon in spring

Castor and Pollux, the brightest stars in Gemini the Twins, sink toward the horizon on spring evenings, disappearing from summer's night sky.

Venus and Jupiter conjunction: Look now

During the Venus and Jupiter conjunction, the two planets will appear only 1/2 degree or less apart just before sunrise. You can also spot Mars and Saturn.

Moon and Jupiter on February 2. Farewell, giant planet!

The moon and Jupiter are low in the twilight on the evening of Feb. 2, 2022. After this, Jupiter will slip into the sun's glare and be gone by late February.

Moon and 4 planets after sunset January 3 to 5

See the moon and four planets after sunset January 3 to 5, 2022. It'll be tough to spot Venus and Mercury. Jupiter and Saturn will be much easier.

Best of 2022: Night sky scenes not to miss

Best of 2022: Night sky scenes chosen for you by the editors of EarthSky that you won't want to miss. Mark your calendars now!

Watch for Mercury, too, as 2021 ends

Watch for Mercury, the sun's innermost planet, as 2021 ends. Bright Venus will be falling into the sunset glare. Mercury will be nearby.

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