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Full Blue Moon near Saturn: It’s a supermoon on August 30-31
Look for the full moon near Saturn - it's a supermoon and a Blue Moon - overnight on August 30-31, 2023. They're both at their biggest and brightest in 2023.
August 20, 2023
How far back in time can we see?
How far back in time can we see? Earendel is the farthest star we've seen. The cosmic microwave background reveals the universe's first light. Can we see more?
August 20, 2023
Surf’s up! Waves on heartbeat star are as tall as 3 suns
Giant waves on heartbeat star MACHO 80.7443.1718 are as tall as 3 suns, astronomers say. They give a new meaning to the phrase "surf's up!"
August 18, 2023
Venus to return as ‘morning star’ late August 2023
Throughout 2023, Venus was in the evening sky. People called it the "evening star." After about August 21, Venus will return as the "morning star."
August 17, 2023
Moon near Mars after sunset on August 18 and 19
Look for a thin crescent moon near Mars after sunset on the evenings of August 18 and 19, 2023. The moon will pass as close as four full moon widths from Mars.
August 17, 2023
The colors of Earendel, farthest known star
The Webb space telescope has looked at the colors of Earendel, the most distant known star. The new data shows that the star likely has a redder companion star.
August 17, 2023
Solar Cycle 25 is more active and powerful than predicted
So far this solar cycle has been more powerful and surprising than predicted. It has been very active so far before the predicted peak in 2025.
August 16, 2023
Ancient ‘honeycomb’ mud on Mars boosts chances for life
NASA's Curiosity rover has discovered ancient honeycomb-patterned mud on Mars. The now bone-dry mud is evidence of cyclic wet-dry periods in Mars' past.
August 16, 2023
Perseid meteor photos from around the world, 2023
See these Perseid meteor photos from EarthSky community members from around the world. Thanks to all who contributed these great photos!
August 15, 2023
Saturn’s opposition in 2023: Fun and easy things to see
In August - the month of Saturn's opposition in 2023 - here are some fun and easy things you can watch for with the eye alone. No telescope needed!
August 15, 2023
