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 ...

More than 500,000 stars blaze red, white, and blue in this image from NASA's Hubble Space Telescope, released in celebration of the United States' 250th anniversary. The image showcases Messier 3 (M3) ...

Since it launched into space on April 24, 1990, the Hubble Space Telescope has been an invaluable instrument to astronomers in unraveling the mysteries of the universe. As it orbits the Earth from 340 ...

This NASA Hubble Space Telescope image features a galaxy cluster called CL0016+1609, or MACS J0018.5+1626, that is very bright at X-ray wavelengths and is one of the most extensively studied clusters ...

Far beyond the Milky Way, vast collections of galaxies continue to drift, gather and occasionally collide. One such region ...

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 ...

Hubble snapped this incredibly detailed view of the "Pillars of Creation" to help mark its 25th anniversary. NASA, ESA/Hubble and the Hubble Heritage Team What do the "Pillars of Creation" look like ...

In honor of the Fourth of July, NASA has released a patriotic collection of images that also comes with data-centered audio ...

NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden within the ancient ...