The universe is expanding, and after decades of work, astronomers still cannot agree on how fast. That disagreement, known as the Hubble tension, has only grown sharper in recent months as new data ...

Add Yahoo as a preferred source to see more of our stories on Google. A visual showing various galaxies in pink and blue getting smaller as they go deeper into the image. There's a ladder tracing them ...

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

A difference of a few kilometers per second might not sound like much. In cosmology, it has become one of the field’s most ...

A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s ...

(Nanowerk News) When you are trying to solve one of the biggest conundrums in cosmology, you should triple check your homework. The puzzle, called the "Hubble Tension," is that the current rate of the ...

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe’s ...

Edwin Hubble's groundbreaking discovery of the expanding universe a century ago, while working at Carnegie Observatories, ...