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Spotted by NASA’s James Webb Space Telescope, the galaxy MoM-z14 is currently the farthest galaxy ever detected. We see MoM-z14 as it appeared in the distant past, only 280 million

View larger. | Composite image showing location of some of the ammonia-bearing compounds on Jupiter’s moon Europa (red pixels). Scientists found them near large fractures in the icy surface crust.

View at EarthSky Community Photos. | Greg Johnson captured this image on March 22, 2025, from Washington and wrote: “Fireball captured on my SkunkBayWeather “Night” webcam.” Thank you, Greg! Spring

AI image of our Milky Way galaxy. The innermost stars in the galaxy are depicted as moving at near relativistic speeds (at a significant fraction of the speed of light) around a dense

Artist’s concept of water vapor plumes erupting onto the surface of Saturn’s moon Enceladus. In the background we see another moon, Titan, lit as a crescent, with the distant sun

View larger. | Artist’s concept of HD 137010 b. This candidate exoplanet is rocky and just slightly larger than Earth, with a similar orbit to Earth’s. But it might be

Mercury, as seen by NASA’s MESSENGER orbiter. Through a new analysis of MESSENGER’s images, researchers have found surprising geological activity on our solar system’s innermost planet. Image via NASA. EarthSky’s

View larger. | Artist’s concept of a massive exomoon orbiting a gas giant exoplanet. A team of astronomers says it might have detected a huge exomoon orbiting the gas giant

ESA’s Proba-3 spacecraft captured this image of our star. The sun’s dazzling body is blocked by 1 of the 2 satellites making up Proba-3, leaving the other satellite free to