https://earthsky.org/upl/2026/02/giant-galaxy-early-universe_sulzenauer2026-Max-Planck-Inst-for-Radio-Astro.webm Watch a video explaining how giant galaxies in the early universe might have formed. Video via Max Planck Institute for Radio Astronomy. EarthSky’s 2026 lunar calendar shows the moon
Artist’s concept of a planet – the black dot – orbiting a pair of stars in a binary star system. A new study says Einstein’s general theory of relativity can
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
Did we just see a black hole explode? UMass Amherst’s physicists think so. This artist’s concept takes a fanciful approach to imagining small primordial black holes. Image via NASA/ Goddard
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
