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)…

And then there were 3!

The first images from the Lucy spacecraft of the asteroid Dinkinesh showed 2 asteroids, but newer…