Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

To explain these observations, they proposed a new kind of energy that is responsible for driving the universe’s accelerated expansion: dark energy. Astrophysicists now believe dark energy makes up ...

The Dark Energy Survey Collaboration collected information on hundreds of millions of galaxies across the universe using the ...

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the universe is expanding faster and faster remains one of the most intriguing ...

To astronomers in the 1990s, these three facts were self-evident: The universe is expanding; all the matter in the universe is gravitationally attracting all the other matter in the universe; ...

Scientists at the Dark Energy Survey have published their most detailed explanation yet of how the universe has expanded over the last six billion ...

The shape of the universe is not something we often think about.

The term “expanding universe” is often misunderstood, even by people familiar with astronomy. This explanation breaks down what actually expands and what does not, using modern cosmology rather than ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly. Scientists are developing detectors so sensitive they can spot particle ...

In an unprecedented step, researchers crafted a detailed model compatible with the universe’s accelerated expansion.

Add Yahoo as a preferred source to see more of our stories on Google. This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on ...

A new Utah Valley University study is providing new evidence in a debate astronomers across the world haven’t been able to agree on — how fast the universe is expanding. The findings may add more fuel ...