EarthSky

A new study from researchers in Japan suggests that a better way to search for alien life might be to look for suspiciously similar planets that are close to each

View larger. | Artist’s concept of the cosmic microwave background, the oldest light in the universe: the faint afterglow of the Big Bang. Because its passage through massive galaxy clusters

Artist’s depiction of a supermassive black hole tearing apart a star. Roughly half of the stellar debris gets flung back into space while the remainder forms a glowing accretion disk

This visualization shows how DESI’s 3D map of the universe accumulated over 5 years. It begins with DESI’s tiles on the night sky, each observing around 5,000 galaxies. As we

See and hear galaxies evolving in these new simulations. Video via Royal Astronomical Society. New simulations let scientists see and hear galaxy evolution. The COLIBRE simulations trace growth from the

View larger. | Here are some of the bedrock blocks in the Martian Jawbone Canyon region with the ripple marks on them. The ripples are evidence of an intense ancient

EarthSky friend John Ashley shared his video of Comet R3 PanSTARRS rising before the sun in Arizona on April 12, 2026. John wrote: “Comet PanSTARRS rises beyond the Smithsonian’s Whipple

What did the night sky look like in the time of the dinosaurs? Image via Stephen Leonardi/ Pexels. You deserve a daily dose of good news. For the latest in

An international collaboration of astronomers has produced one of the most precise measurements yet of the local universe’s expansion rate, out to about 1 billion light-years. And the new measurements

Orbit of asteroid Apophis (pink) in contrast to the orbit of Earth (blue), from the years 2028 to 2030. The yellow dot represents the sun. Apophis takes 323.6 days to