More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by Koji Kuramura and Gerald Eichstädt. Credit: NASA/JPL-Caltech/SwRI/MSSS | ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our solar system.' ...

The moon rock signifying NASA's lunar ambitions had adorned Joe Biden's Oval Office throughout his entire presidential ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

The brutal conditions also make Io intriguing to NASA scientists intent on learning more about the innermost and third-largest of Jupiter’s four Galilean moons. For nine years, a spacecraft ...

The full moon in February was dubbed the snow moon due to the heavy snowfall typically seen this time of year, according to ...