Artist’s concept of the dwarf planet called Eris in our solar system’s Kuiper Belt, out past…
Category: Earth Sky
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…
Seasons of Uranus, a sideways world
NASA released this new Uranus image on April 6, 2023. It’s from the mighty Webb space…
Record-breaking black hole found in the early universe
Astronomers found the most distant black hole ever detected in X-rays (in a galaxy dubbed UHZ1)…