The Cassini mission, which was conducted from 2004-2017, flew through the plume and E-ring multiple times and collected data that was later analyzed by Postberg and his team.

For the first time, astronomers think they've found solid evidence of a moon orbiting a planet outside of our solar system. And it's a doozy. The exoplanet, named Kepler-1625b, is 8,000 light ...

Four billion years ago, Ganymede literally got knocked sideways. A giant asteroid slammed into Jupiter’s largest moon, ...

The planetary chart prepared in this way gives a picture of the sky for the whole year, so far as the principal members of the solar system are concerned, and besides, it shows at a glance all the ...

New research confirms Jupiter's moon Io has been a volcanic hellscape for almost the Solar System’s entire 4.57 billion-year history.

The European Space Agency's JUICE space probe is set to arrive at Ganymede in 2034 and will spend six months in orbit, gathering data that could help answer some of the questions raised by Hirata ...

More than 200 moons have been recognized in the solar system (not including asteroid moons), ... the spacecraft will be able to collect sufficient data to designate it as a true moon.

Pluto's largest moon, Charon. (Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute) Labroots recently explored Saturn’s sponge-like moon, Hyperion, with its ...

The moon, shown here in an image taken by the Galileo spacecraft in 1992, may house some of the coldest places in the solar system. (Image credit: NASA/JPL/USGS) ...

Massive solar storm struck Earth, Moon and Mars together for first time in history. Discovery marks first time a solar event was measured simultaneously on the surfaces of the celestial bodies ...