Earth's Moon: NASA's Galileo spacecraft took this image of Earth's Moon on Dec. 7, 1992, on its way to explore the Jupiter system in 1995-97. The Moon is Earth's only natural satellite.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

This image from NASA’s Juno spacecraft captures several storms in Jupiter’s southern hemisphere (Figure A). Titanic blasts created by the impacts of comet Shoemaker-Levy 9 fragments left Jupiter with ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Scientists found Titan’s orbit is shifting faster than expected due to tidal dissipation. A recent cosmic event likely ...

Ganymede is an enormous moon, larger than any other we’ve found, including our own, and may one day be the centerpiece of wider human settlements around Jupiter.