New images of Jupiter moon Io show massive volcanoes, a scarred landscape and lava flows. Jupiter has a total of 92 moons, and Io is slightly larger than Earth’s moon.

Stunning new images of Jupiter and Saturn have revealed breathtaking detail, including a razor-sharp view of Jupiter’s iconic Great Red Spot (GRS). The Great Red Spot, a massive swirling oval of ...

NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...

According to this early data, Jupiter’s equatorial radius was around 44,423 miles (71,492 kilometers), and its polar radius ...