Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

When the largest of stars dies, the supernova they produce can outshine a whole galaxy, and potentially sterilize vast swathes of space. Future civilizations will need to be able to prevent or ...

Ladi Svoboda told Snopes that the photo was "real but artistically interpreted," while noting that similar shots were ...

The Andromeda Galaxy's family of dwarfs are an enigma. First it was the unusual flat plane around which more than half of ...

Earth Day is about celebrating our own "pale blue dot," but sometimes stargazing can help us appreciate what is right in front of us even more. Plus, looking up at the night sky is the perfect ...

Astronomers raised hopes that humanity might not be alone in the universe by announcing on Thursday they have detected the ...