But it won't be a star that will be keeping the moon company on this early winter's evening, but the largest planet in the ...

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

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

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 ...

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body in our solar system. As demonstrated by explosive news from NASA on ...

So how did Earth and Pluto get such large moons? Normally, planets like Mars, Jupiter and Saturn acquire moons by gravitationally capturing them, a process that wouldn't happen with larger moons.