The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

Earth rotates, the Sun rotates, the Milky Way rotates – and a new model suggests the entire Universe could be rotating.

Wendy Freedman and her team have been able to measure the expansion of our universe, leading to more insights into the cosmos ...

To understand why this matters, it helps to know what’s at stake. Scientists use a number called the Hubble constant to describe the universe’s expansion rate. One method measures the light ...

Hubble’s 35-year journey showcases humanity’s boldest space achievements, capturing everything from new stars forming to ...

Their method yielded a Hubble constant value of 67.1 km/s/Mpc with an uncertainty of +6.3/−5.3. This value is consistent with both measurements, and therefore not favoring either side of the ...

including what’s referred to as Hubble’s Constant. The telescope has taken a wide variety of photos documenting celestial bodies, from Earth’s neighboring planets like Mars to faraway ...