View at EarthSky Community Photos. | Sergei Timofeevski shared this image from November 13, 2023. Sergei…
Category: Earth Sky
Salt glaciers on Mercury could harbor habitable niches
View larger. | This enhanced-color image of Mercury comes from NASA’s MESSENGER spacecraft. The colors enhance…
Are Eris and Pluto very different on the inside?
Artist’s concept of the dwarf planet called Eris in our solar system’s Kuiper Belt, out past…
Mars spacecraft fall silent as red planet goes behind sun
Solar conjunction for Mars happened yesterday, November 18, 2023. That’s when Mars was most directly behind…
Edwin Hubble and the expanding universe
Edwin Hubble as a young man. It was then that he said, “If only I could…
The universe is expanding faster than theory predicts
The Webb space telescope’s deep field image shows a universe filled with sparkling galaxies. In modern…
Are 2 huge blobs inside Earth due to an ancient impact?
View larger. | Artist’s concept of an ancient collision between a planet-sized body and a planet…
Best places to find ice on Mars revealed in new NASA map
View larger. | This is part of the new map from the Mars Subsurface Water Ice…
Uranus discovered by accident in 1781 by William Herschel
Pale blue Uranus as seen by Voyager 2 in 1986. Voyager 2 is the only spacecraft…
Jupiter’s moon Ganymede is coated in salts and organics
View larger. | NASA’s Juno spacecraft captured this view of Ganymede on June 7, 2021. New…