Hubble’s observation revealed that the rate at which our universe is expanding is accelerating. As more time passes, the ...

Our best model of the cosmos has a glaring mathematical problem, but we may have found an answer.

Explore 15 photos and facts about the Hubble Telescope, revealing its discoveries, missions, and breathtaking views of space.

In this video, Arvin Ash explores the history of the universe from the Big Bang to modern cosmology. Key discoveries include: ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their results match “local” measurements but clash with early-universe estimates, ...

"It's not every day that you come up with an entirely new tool for cosmology." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A team of ...

Mathematicians are challenging the idea that dark energy is responsible for the accelerating expansion of the universe. In a ...

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 ...