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

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 ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

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 ...

The end of February is the beginning of an evening appearance by the as yet unmentioned planet, Mercury. It appears by about ...

You'll catch a lot more detail that way. Even from the city with a pair of binoculars, Jupiter is "fantastic," Bartlett said, adding that you can often see its four biggest moons appearing as "little ...

As the largest planet in our solar system, Jupiter reflects a lot of the Sun’s light even though it is more than five times ...