Edwin Hubble was the first astronomer to take the initial steps that would ultimately lead to the Hubble Space Telescope, revealing a seemingly infinite ocean of galaxies.

Hubble has been measuring the current rate of the universe’s expansion for 30 years, and astronomers want to eliminate any lingering doubt about its accuracy.

After more than 140,000 votes were cast by participants around the world, the galaxy group Arp 274 emerged the winner of the "Hubble's Next Discovery -- You Decide" contest.

A Hubble Space Telescope image of the core of quasar 3C 273. A coronagraph on Hubble blocks out the glare coming from the supermassive black hole at the heart of the quasar.

This graph is based on Hubble Space Telescope archival data that was used to identify a largely unseen population of very small asteroids in their tracks. The asteroids were not the intended …

Image of galaxy cluster MACS0416 captured in visible light by Hubble’s ACS and WFC3 and in infrared light by Webb’s NIRCam, with compass arrows, scale bar, and color key for reference.

The Hubble image reveals a huge ultraviolet atmosphere with a mysterious hot spot on the stellar behemoth's surface. The enormous bright spot, twice the diameter of the Earth's orbit, is at …

Using NASA's Hubble Space Telescope, astronomers went hunting in this large city for planetary companions: bloated gaseous planets that snuggle close to their parent stars, completing an …

The image was created from Hubble data from proposal 12326: K. Noll (PI), Z. Levay, M. Mutchler, T. Borders, L. Frattare, M. Livio, C. Christian, D. Soderblom, and H. Bond (Hubble …

NGC 17 is located about 250 million light-years away in the constellation of Cetus, the Whale. This image is part of a large collection of 59 images of merging galaxies taken by the Hubble …