EarthSky

EarthSky’s 2026 lunar calendar shows the moon phase for every day of the year. Get yours today! Happy Valentine’s Day! We’re sharing the love by celebrating some of the many

Artist’s impression of a star dimming due to its light being blocked by a giant ringed planet or possibly a brown dwarf. In this illustration, a super-Jupiter with massive rings

Artist impression of the inside out planetary system around the star LHS 1903. LHS 1903 is a small red dwarf that is cooler and shines less brightly than our sun.

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