Worlds of Worlds
This artist’s concept depicts two moons orbiting a Jupiter-like planet in another solar system, as seen from the surface of…
Two-Fer
Saturn’s icy moon Enceladus (background) slides behind Dione in this series of images shot by the Cassini spacecraft on September…
Hiding an Ocean
A deep ocean may lie far below the icy crust of Ganymede, the largest moon of Jupiter. In this image,…
Lunar Eclipse
The Moon will pass through Earth’s long shadow on the night of September 27, creating a total lunar eclipse, such…
Brilliant Encounter
Venus and Jupiter, the brightest objects in the night sky other than the Moon, are staging a spectacular encounter in…
Blue Snowball
A Hubble Space Telescope image shows NGC 7662, the Blue Snowball Nebula, which is the final act of a dying…
On the Frontier
The gravity of the galaxies that form a cluster known as Abell 2744 warps and magnifies the view of more-distant…
Reborn Stars
The star cluster M3 contains many “reborn” stars among its half-million members. These stars have merged with other stars or…
Family Portrait
The Cassini spacecraft saw this glorious view of Saturn and its family of rings in 2013. The spacecraft was viewing…
Filling the Void
Billowing clouds of gas and dust fill this Spitzer Space Telescope image of part of the Milky Way galaxy. Most…