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…

Powerful supernovas led to at least 2 mass extinctions

This is a visualization of a supernova. A new study said that violent supernovas triggered at…

Tips for watching the eclipse tomorrow

View at EarthSky Community Photos. | Michael Hoag in Eastern Kansas, created this stunning composite of…

Remains of destroyed planet found lurking in Helix nebula

View larger. | Chandra’s view of the Helix nebula, released on March 3, 2025. The white…

128 new Saturn moons just announced. Incredible!

Saturn – already the title-holder for most moons in the solar system – now has 128…