This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million ...

The Hubble Space Telescope has captured an amazing view of galaxies LEDA 48062 and UGC 8603. Credit: ESA/Hubble & NASA, R.

Hubble has turned its sharp gaze on a compact, intensely blue dwarf galaxy about 13 million light years away, revealing a ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

A Hubble Space Telescope study takes a close look at the dwarf galaxies surrounding Andromeda. Credit: NASA / ESA / J. Dalcanton / B.F. Williams / L.C. Johnson / PHAT team / R. Gendler Surrounding the ...

A Hubble Space Telescope study takes a close look at the dwarf galaxies surrounding Andromeda. Surrounding the Andromeda galaxy, three dozen tiny galaxies aren't behaving the way scientists expected.

A new image from the Hubble Space Telescope shows a small dwarf galaxy called IC 3430 that’s located 45 million light-years away. This galaxy is classified as both a dwarf galaxy, because of its small ...

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The spiral galaxy NGC 3596 is on display in this NASA/ESA Hubble Space Telescope Picture of the Week, which incorporates six different wavelengths of light. ESA/Hubble & NASA, D. Thilker You might ...