This article lists the top 7 largest moons in our Solar System, detailing their size, the planet they orbit, and key ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

(CNN) - NASA launched the Europa Clipper, the largest spacecraft it has ever built, for a planetary mission on Monday. A SpaceX Falcon Heavy rocket gave it a lift from Kennedy Space Center in Florida.

CAPE CANAVERAL, Fla. (AP) — A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth. Europa Clipper will peer beneath the moon’s icy ...

If there's no magma ocean, where does the 'melt' come from that emerges from the volcanoes as lava? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...