A faraway galaxy has been caught blowing away the cosmic fog of hydrogen that filled the universe once upon a time.

Researchers say the surprising discovery of the faraway galaxy MXDFz4.4 could help explain how the cosmos went from opaque to ...

NASA's Hubble Space Telescope captured a stunning image of galaxy cluster CL0016+1609, aiding scientists in studying dark ...

While it may appear as just another spiral galaxy among billions in the universe, this image from the NASA/ESA Hubble Space Telescope reveals a galaxy with plenty to study. The galaxy, NGC 7456, is ...

The NASA/ESA Hubble Space Telescope has imaged Abell 611, a galaxy cluster located about 3.2 billion light years from Earth.

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy, which is substantially smaller than our own Milky Way, lies 13 million ...

NASA’s Hubble and Spitzer space telescopes, with a boost from a natural “zoom lens,” have uncovered what may be one of the youngest and brightest galaxies ever seen in the middle of the cosmic “dark ...

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten times faster than in the Milky Way. Astronomers using the Hubble Space ...

NASA offers a simple way to see which stunning celestial image the Hubble Space Telescope captured on your birthday.

X-ray observations of the cluster revealed that it is made up of two galaxy clusters merging along our line of sight.

This NASA/ESA Hubble Space Telescope image features a galaxy whose asymmetric appearance may be the result of a galactic tug of war. Located 35 million light-years away in the constellation Leo, the ...