Inside out planetary system upends notions of formation

Artist impression of the inside out planetary system around the star LHS 1903. LHS 1903 is…

New clues to how giant galaxies formed in the early universe

Watch a video explaining how giant galaxies in the early universe might have formed. Video via…

Tatooine exoplanets are oddly rare, and we finally know why

Artist’s concept of a planet – the black dot – orbiting a pair of stars in…

Galaxy MoM-z14 confirmed as most distant object ever seen

Spotted by NASA’s James Webb Space Telescope, the galaxy MoM-z14 is currently the farthest galaxy ever…

New discovery of ammonia on Europa hints at active geology

View larger. | Composite image showing location of some of the ammonia-bearing compounds on Jupiter’s moon…

Dark matter, not a black hole, could power Milky Way’s heart

AI image of our Milky Way galaxy. The innermost stars in the galaxy are depicted as moving at near…

Spring fireball season is underway! Watch for them

View at EarthSky Community Photos. | Greg Johnson captured this image on March 22, 2025, from…

Did we see a black hole explode? If so, it could explain a lot

Did we just see a black hole explode? UMass Amherst’s physicists think so. This artist’s concept…

Simulation of Enceladus’ ocean shows strong potential for life

This artist’s concept shows water vapor plumes erupting onto the surface of Saturn’s moon Enceladus. In…

Ice-cold Earth? Possible new exoplanet might be chillier than Mars

View larger. | Artist’s concept of HD 137010 b. This candidate exoplanet is rocky and just…