The two largest planets in our solar system, Jupiter and Saturn, also have the largest satellite systems, or the most moons.

A new study reveals how Jupiter’s powerful magnetic field helped its moons survive, while Saturn lost most of its large moons ...

NASA’s Dragonfly will explore the air, land and seas of Titan, Saturn’s most mysterious moon NASA plans to launch a wildly ambitious nuclear-powered octocopter to Saturn’s largest moon, Titan, in 2028 ...

The astronauts were able to catch a full view of the Mare Orientale, a dark, ringed 600-mile wide crater that straddles the ...

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If NASA’s ambitious lunar exploration plans succeed, scientists will cover the moon with sensors—and find answers to several ...

NASA is seriously looking at building a huge radio telescope on the far side of the Moon. The goal is to get away from all ...

WHAT’S HAPPENING TODAY: Good afternoon and happy Tuesday, readers! The astronauts on the Artemis II mission flew by the far ...

After traveling a record distance from Earth, the Artemis II crew saw incredible things. “This continues to be unreal,” pilot ...

The Moon has no meaningful atmosphere, and its surface is frozen in geologic time. The only notable changes happen when ...

The Artemis II crew's nine-day moon mission set a record for the farthest any human has ever traveled from Earth. Here's a ...

The Artemis II astronauts concluded their record-breaking 10-day journey on Friday with a smooth splashdown in the Pacific ...