It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.

A recent image from the Hubble Space Telescope captures a gorgeous spiral galaxy bursting with new star formation.

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

This NASA/ESA Hubble Space Telescope image features an uncommon galaxy with a striking appearance. NGC 7722 is a lenticular galaxy located about 187 million light-years away in the constellation ...

What looks like a galactic dance is really a cosmic optical illusion—two galaxies, worlds apart, perfectly aligned by chance.

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 team of astronomers based at the European Space Agency demonstrated how artificial intelligence technology will alter ...

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 ...

NASA’s Hubble Space Telescope is “seeing double.” Peering back 10 billion years into the universe’s past, Hubble astronomers found a pair of quasars that are so close to each other they look like a ...

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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 ...