View larger. | Artist’s illustration depicting the skylight – a hole in the ceiling of the…
Category: Earth Sky
Why is the snowman shape so common in the Kuiper Belt?
In 2019, NASA’s New Horizons mission flew by Kuiper Belt object 486958 Arrokoth. Arrokoth has a…
Did an epic collision form Saturn’s moon Titan and rings?
View larger. | NASA’s Cassini spacecraft captured this stunning view of Saturn and Titan in 2012.…
Too many satellites? Is Earth’s orbit headed for catastrophe?
Here’s an astronomer’s view of a star obscured by streaks from Starlink satellites. Are there too…
The most recent volcanoes on Mars were surprisingly active
View larger. | Visualization of the volcano Pavonis Mons and the fissure next to it. A…
Milky Way and Andromeda held together by dark matter sheet
Simulated movement and speed (indicated by the length of the arrows) of objects surrounding the Local…
NASA says organics on Mars are hard to explain without life
View original. | The Mars Curiosity rover captured this image of the drill hole in the…
Black hole belches radiation long after eating a star
This is an artist’s depiction of what supermassive black hole AT2018hyz might look like. There could…
Chelyabinsk meteor: February 15, 2013
EarthSky’s 2026 lunar calendar shows the moon phase for every day of the year. Get yours…
Star dims for 9 months, likely due to giant ringed object
Artist’s impression of a star dimming due to its light being blocked by a giant ringed…