Galaxies are some of the largest clearly defined structures in space. There are trillions of them,…
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LIVE on Monday: Super Blue Moon
The Super Blue Moon is coming! Join the EarthSky team LIVE beginning at 12:15 p.m. (17:15…
Senegal’s first satellite successfully launched
Credit: CC0 Public Domain Senegal’s first satellite has been successfully launched into orbit, President Bassirou Diomaye…
Specialized Materials Could Passively Control the Internal Temperature of Space Habitats
Areas of space have wildly different temperatures depending on whether they are directly in sunlight or…
A solitary star speeding across the Milky Way
Artist’s concept showing a hypothetical white dwarf, left, that might have exploded as a supernova, expelling…
Does a supermoon have a super effect on us?
View at EarthSky Community Photos. | Jean-Baptiste Feldmann in Gleizé, France, captured this image on August…
G3 – Strong geomagnetic storm following CME impact produced by X1.3 solar flare
The coronal mass ejection (CME) produced by the X1.3 solar flare on August 14, 2024, impacted…
Galaxies in denser regions up to 25% larger than those in less crowded locations
A new study discovered that galaxies in denser astronomical surroundings are up to 25% larger than…
Webb Relieves the Hubble Tension
Sometimes, when scientists measure things differently, they get different results. Whenever that happens with something as…
Scientists discover phenomenon impacting Earth’s radiation belts
This graphic shows a cutaway model of Earth’s radiation belts with the two Van Allen Probes…