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Analemma of the moon, from Hong Kong
This EarthSky community member in Hong Kong this lunar analemma, a figure-8 shape in the sky, created by capturing the moon's image each day at the same time.
June 23, 2021
Taupo supervolcano needs monitoring, scientists say
Earth's most recent supervolcano is the Taupo supervolcano, from 25,000 years ago. It experienced unrest in 2019. Scientists want to know more.
June 22, 2021
Moon and Antares on June 22
On June 22, watch for the waxing gibbous moon and Antares, a bright red star. Look near Antares for the graceful curved tail of its constellation, Scorpius.
June 22, 2021
Analemma shows the sun’s path over a year
An analemma is a figure-8 curve showing the position of the sun at a chosen time of day (often, noon) over a year. Here's one on the side of a house.
June 22, 2021
Stark reality of California drought from space
This image is from June 2021. It shows barren hillsides and dry trees in a national forest, during the California drought. Click in for a comparison image from 2020.
June 21, 2021
Is Darth Vader wearing a spacesuit?
Is Darth Vader wearing a spacesuit? On this Father's Day 2021, we take a look at the suit of the most infamous father from a galaxy far, far away.
June 20, 2021
Sun enters Gemini on June 21
The sun enters Gemini on June 21, 2021, at about 15 UTC. We mean the constellation - not the astrological "sign" - of the zodiac.
June 20, 2021
World’s best dads: Bullfrog protects tadpoles
Watch, as this African bullfrog protects tadpoles in a drying pool. How does he save them? Check out this video, and happy Father's Day!
June 20, 2021
Summer solstice tale of 2 cities
On the June solstice, the sun will set at the same time in New York City and St. Augustine, Florida. But New York will have an hour more of daylight. Why?
June 19, 2021
Astronomers spot largest rotation in the universe
Astronomers have found the largest rotation in the universe by analyzing red and blue shifts in galaxies funneling along filaments in the cosmic web.
June 18, 2021
