In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.
Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.
Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...
The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...