"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

This proportionality between galaxies' distances and redshifts is today termed Hubble–Lemaître's law. Because the universe appeared to be uniformly expanding, Lemaître further realized that ...

The Hubble Telescope took a snapshot of what astronomers are calling the Bullseye Galaxy. The distant galaxy contains nine ...

NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an 'arrow' -- a far smaller blue dwarf galaxy -- shot ...

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

New York's Cardinal Timothy Dolan turns 75 Thursday, and is required to submit his resignation to the Vatican. The formality ...