Looking for a really big story, I naturally headed for "Galaxies in Collision." Bradley Whitmore of the Space Telescope Science Institute in Baltimore brought us up to speed. We've known for a ...

"What makes Zhúlóng stand out is just how much it resembles the Milky Way—both in shape, size and stellar mass," said the ...

As part of ESA/Hubble's 35th anniversary celebrations, the European Space Agency (ESA) is sharing a new image series ...