Mini-Earth exoplanets orbiting Barnard’s Star animation. Video via NOIRLabAstro. Barnard’s Star is a red dwarf star.…
Category: Earth Sky
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…
New map of Andromeda galaxy and its colossal ecosystem
View at EarthSky Community Photos. | Steven Bellavia in Mattituck, New York, created this impressive composite…
Enormous rogue super-Jupiter is a surprisingly complex world
View larger. | Artist’s concept of SIMP 0136. It is a rogue super-Jupiter floating freely in…
Why Mars is red … and the exciting possibilities for life
View larger. | The European Space Agency’s Mars Express orbiter captured this global view of reddish…