Almost like those old dial-up modems, right? A NASA space probe called Juno captured this when it flew past Ganymede earlier this year. Ganymede is actually the largest moon in the solar system. It's ...

In the early 1980s, two Soviet-era missions, Venera 13 and 14, measured sound waves on Venus, producing a measurement of wind ...

The idea of a moon having its own moon sounds strange but fascinating. People often wonder if a smaller object could orbit around a regular moon, just like moons orbit planets. Scientists have ...

When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is our moon actually a planet? The answer is technically no — at least ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with nothing but our eyes. Yet, that 238,855-mile gap between Earth and its lunar ...