Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

A blue dwarf galaxy pitched through the bullseye's galactic neighborhood 50 million years ago, leaving behind nine glittering ...

Joe Rao is Space.com's skywatching columnist ... and caused the disk of the sun to shine in eerie hues of pink, blue and even purple! To see the moon actually turn blue, requires either a massive ...

The ring-shaped clouds around the nebula RCW 120 were detected by NASA's Spitzer Space Telescope in this composite image. The Black Eye Galaxy is a relatively isolated spiral galaxy 17 million ...

Star cluster NGC 2264 features young stars emitting specks of white, blue, purple, and red light bedazzling ... hails from the outskirts of a neighboring galaxy 200,000 light years away, the ...

Astronomers have made a groundbreaking discovery about black holes, revealing that these cosmic giants can essentially cook ...