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

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 ...

Let's talk about the best worst sci-fi movie of all time. Here's why 2015's 'Jupiter Ascending' shouldn't be viewed in a 21st century context. This is basically a throwback to a time before Star Wars.

If the thought of any planet going retrograde causes you to steel yourself for a surge of frustration, crossed wires and challenges galore, you're far from alone. But one of the coolest things about ...

Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

All planets to align at the same time in rare planetary parade - For the last time until 2040, seven planets will appear together in the night sky ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with ...