Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

Io, Europa, and Ganymede offer a fascinating glimpse into the Jupiter system. Continued exploration will unveil more secrets about these eni ...

The Sun is slowly setting, it is a beautiful clear sky, and I am in the northern Prague district of Ďáblice inside a long wooded park called Ďáblický háj, which is approximately 60 hectares in size.

Astronomers are using the NASA's Hubble Telescope to study auroras — stunning light shows in a planet’s atmosphere — on the poles of the largest planet in the solar system, Jupiter. This animation ...

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.

You shouldn't set your expectations too high, but it will give you enough of a taste to see whether you want to invest in ...

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