The rings are regions of higher density, where the galactic material has been pushed together by the rippling shocks. The ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

The Hubble Space Telescope has captured this striking image of an unusual galaxy with a bullseye structure, as nine rings ...

While eight rings around the galaxy were discovered by the Hubble Telescope, astronomers confirmed a ninth ring using data ...

Credit: Blue Origin Here's a round-up of space missions and cosmic events just around the bend. Bookmark this calendar and look for updates from Mashable throughout the year. SEE ALSO: NASA leader ...