Posts by 

John Jardine Goss

Visible planets and night sky February 2023

February 2023 visible planets including dazzling Jupiter and Venus in the west after sunset. Mars is high in the evening sky. Mercury is up before sunrise.

The January full moon is the Wolf Moon

The 2023 January full moon falls on January 6. It falls just 16 nights after the December solstice and closely follows the path of the sun in early July.

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!

December full moon mimics the June sun

The December full moon is called the Cold Moon, Moon Before Yule, or Long Night Moon. It crosses high in the sky, mimicking the June sun.

Hunter’s Moon falls on October 9 in 2022

The Hunter's Moon - full moon following the Harvest Moon - is on October 9 in 2022. The bright object near the full moon is our solar system's largest planet, Jupiter.

2022’s September full moon is the Harvest Moon

The September full moon – the Harvest Moon – happens overnight on September 9-10, 2022. This full moon lies near Jupiter in the constellation Aquarius.

August full moon – a supermoon – on August 11-12

The August full moon is the year's last supermoon. This full moon lies near Saturn and interferes with the Perseid meteor shower.

Full moon in June mimics path of December sun

The June full moon - a supermoon - will fall on June 13-14, 2022. Watch its path across the sky. You'll see it mimics the December sun.

May full moon is the Flower Moon

May's full moon is overnight on May 15-16, 2022. This month's full moon, called the Flower Moon, coincides with a total lunar eclipse this year.

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.