Firefly Sparkle,” a galaxy that existed about 600 million years after the big bang, has been imaged by the James Webb Space Telescope. The "galaxy is gleaming with star clusters," according to NASA.

Using the James Webb Space Telescope, astronomers have peered into galaxies that existed at cosmic noon to hunt ravenously ...

The dark nebula is part of the Circinus West molecular cloud, which stretches for 180 light-years, containing a mass 250,000 ...

Using the James Webb Space Telescope, astronomers have discovered "smoking gun" evidence of a hidden feeding supermassive ...

Scientists say it's the earliest galaxy seen doing this (so far). Astronomers have caught an immensely ancient galaxy ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

The Hubble Space Telescope was launched into space on April 24, 1990, ushering an array of scientific discoveries for the past 35 years.

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.