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Earth
Antarctic sea ice for July 2022 lowest on record
Antarctic sea ice for July 2022 was lowest in the 44-year satellite record. Arctic sea ice extent for July 2022 was 12th-lowest on record.
August 10, 2022
Astronomy Essentials
Meteors in moonlight: 6 tips for 2022’s Perseids
Meteors in moonlight. It's not optimal, but it happens! Here's how to minimize the moon and optimize the Perseid meteor shower in 2022.
August 10, 2022
Sun
Sun activity: Hello again, STEVE
Sun activity is currently low. But Monday’s surprise geomagnetic storm brought us many sightings of STEVE. See a video here.
August 10, 2022
Human World
Don Machholz, 1952-2022
We are heartbroken to announce the passing of Don Machholz, discoverer of 12 comets. He was also a writer for EarthSky ... and our friend.
August 9, 2022
Tonight
See the moon approach Saturn on August 9 and 10
Watch a bright waxing gibbous moon approach Saturn on the evenings of August 9 and 10, 2022. Saturn is then in the faint constellation Capricornus.
August 9, 2022
Space
SpaceX Starlink launches for August
SpaceX has seven Starlink launches scheduled for the month of August 2022. Watch the second one taking place at 21:40 UTC on August 12, 2022.
August 9, 2022
Tonight
Venus, Castor and Pollux line up on August 10
On the morning of August 10, 2022, notice our brightest planet, Venus, forming a line with the two bright Gemini stars, Castor and Pollux.
August 9, 2022
Tonight
See Mars and Pleiades on August 10, morning
On the morning of August 10, 2022, look for Mars in the sunrise direction near the beautiful Pleiades star cluster. Nearby is reddish Aldebaran.
August 9, 2022
Human World
August birthstone: peridot or sardonyx
The August birthstone can be green, crystalline peridot or colorful, banded sardonyx. Both have long histories. Take your pick, August babies!
August 9, 2022
Space
Can meteors make a sound? Scientists say yes
Is it possible to hear a meteor? Some people report hearing meteors make a sizzling sound. Scientists explain how you can hear a meteor.
August 9, 2022
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