Getting Close
SLIM, a Japanese Moon lander, entered lunar orbit on December 25 (Japanese time), as depicted in this illustration. The craft…
Jovian Danger Zone
This animation depicts Jupiter and its massive radiation belts and magnetic field. The belts are fed by particles from the…
Ancient Galaxy
This infrared image from Webb Space Telescope shows one of the oldest galaxies ever discovered. Known as Maisie's Galaxy, we…
Spinning Fast
The planet Saturn, shown here in a 2007 image from the Cassini spacecraft, rotates rapidly, so a "day" on the…
Vanishing Giant
Betelgeuse, the supergiant star that marks the shoulder of Orion the hunter, will briefly vanish on the night of September…
First Encounter
This artist's concept depicts Pioneer 10 flying past Jupiter 50 years ago. It was the first mission to the giant…
Going for the Gusto!
GUSTO, a balloon-borne telescope that will study the wisps of gas and dust between the stars, is scheduled to launch…
X Flare!
An "X-class" solar flare erupts from the limb of the Sun in this 2014 image. X flares are the most…
Cannonball Star
A stellar corpse is racing away from its "birthplace" at more than two million miles per hour, leaving a glowing…
Darkness and Beauty
UGC 2885, which is about 230 million light-years away, is the largest spiral galaxy yet seen in our region of…