Phil Plait

Bad Astronomy

Enceladus update

(Image Credit: vitastronomy/Shutterstock) 

the moon

Learn about the technology that may help astronauts survive on the moon by extracting water from lunar soil and producing fuel ingredients.

Water Hidden Within Lunar Soil Could Make Life on the Moon Possible for Astronauts

(Image Credit: Dabarti CGI/Shutterstock) 

black holes merging

Learn more about LIGO, the observatory that detected two massive black holes merging, the largest in recorded history. 

A Merger of the "Most Massive Black Hole Binary We've Observed" Is Revealed

The Seven Sisters (Image Credit: Mihai_Andritoiu/Shutterstock)

The pleiades open star cluster

On July 20, 2025, the Seven Sisters celestial event will be visible across the United States and Canada. 

The Seven Sisters Eclipse Will Temporarily Block Stars From View

A moderately eroded fluvial sinuous ridge (FSR), with lots of small craters in it, that stands out clearly above the surrounding material. To the north east it emerges from a small valley and becomes progressively clearer to the west, until it disappears. There is a clear curve in the FSR, likely a meander. North of the FSR is a round, flat feature that was likely an impact crater which was filled with water or sediment. CTX image: MurrayLab_V01_E020_N-20_Mosaic (Image Credit: NASA/JPL/MSSS/The Murray Lab)

Fluvial sinous ridge on Mars

Researchers examining Noachis Terra in Mars’ southern highlands found evidence of extensive river networks – some hundreds of kilometers long.

Ancient Riverbeds on Mars Suggest the Planet Was Wetter and More Complex Than Previously Thought

(Image Credit: taffpixture/Shutterstock) 

Full moon - Buck moon

Learn why the upcoming July 2025 full moon is called the Buck Moon and why it's different from every other full moon. 

Get Ready for the 2025 Buck Moon — The Farthest Full Moon from the Sun and the First of the Summer

(Image Credit: Dotted Yeti/Shutterstock) 

Enceladus update

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