The idea that the universe is expanding was first proposed by Edwin Hubble in the late 1920s and has been repeatedly backed ...

The "theory method" gives a value for the Hubble constant of about 152,000 miles per hour per megaparsec (68 kilometers per second per megaparsec, or Mpc), ...

Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

Astro Brief is a collaboration between KSMU, the Missouri Space Grant, and MSU's Department of Physics, Astronomy and ...

The original version of this story appeared in Quanta Magazine. Nearly a century ago, Edwin Hubble discovered that the universe is getting larger. Modern measurements of how fast it is expanding ...

Big bang theory is introduced 1927. Georges LeMaitre (1894-1966) showed that religion and science ... Edwin Hubble discovered that galaxies were moving away at high speeds.

Recent Hubble observations have bolstered the theory that they begin in the dusty cores of starburst galaxies, where new stars are rapidly assembled, but scientists are still teasing that out.