The new hotspots for alien life?

View larger. | Artist’s concept of an Earth-like planet orbiting a white dwarf star. A new…

Cosmic anomaly hints at frightening future for Milky Way

The Giant Metrewave Radio Telescope imaged these giant radio jets stretching 6 million light-years across with…

Most distant known galaxy is mature in a baby universe

EarthSky’s Will Triggs explains what’s so surprising about the discovery of oxygen in the most distant…

New data hints dark energy in the universe is evolving

These 2 “fans” are areas of the universe that DESI has observed. Earth would be at…

New Euclid images reveal hidden gravitational lenses

Just look at all these gravitational lenses that Euclid captured in its first observations of the…

Rare Kuiper Belt triplet might be one of many

View larger. | Artist’s concept of the Altjira system in the Kuiper Belt. A new study…

Life on Mars? Odd rings and spots tantalize scientists

View larger/full image. | Closeup view of an image the Mars Perseverance rover captured of “leopard…

Exciting! 4 new mini-Earth exoplanets at nearby star

Mini-Earth exoplanets orbiting Barnard’s Star animation. Video via NOIRLabAstro. Barnard’s Star is a red dwarf star.…

New Mars and Deimos pics from revealing Hera flyby

Hera caught the moon Deimos crossing Mars on March 12, 2025. The spacecraft used a flyby…

A total lunar eclipse looks red. Why?

View at EarthSky Community Photos. | Kaitlin Moore took this image on November 8, 2022. Kaitlin…