Titan, the second largest moon in the Solar System—indeed, it is even larger than the planet Mercury—draws attention not only ...

An asteroid 20 times larger than the one that may have wiped out the dinosaurs struck Jupiter's moon Ganymede some 4 billion years ago, dramatically shifting the possibly life-hosting satellite's axis ...

Dark matter, the elusive substance that makes up around 27% of the universe, remains one of the most intriguing mysteries in modern science. Despite extensive research, astronomers have yet to ...

Ganymede is not only the largest satellite of Jupiter and the biggest moon in the Solar System, but it is the only moon with its own magnetic field and is also tidally locked, meaning it always shows ...

This discovery was made by two of NASA’s most celebrated telescopes. This illustration provided by Dan Durda shows the exoplanet Kepler-1625b with a hypothesized moon. On Thursday, Oct. 4, 2018, two ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

The most volcanically active world in the entire solar system has recently been imaged by NASA's Juno spacecraft during a close fly-by. That world is none other than Jupiter's moon, Io, and during a ...

Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which confirmed ...