A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

Dark energy is a mystery so daunting that it stretches and strains our most robust theories. The universe is expanding, ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. This difference — about 9% — isn’t small, and ...

There is growing evidence that dark energy is not constant. The greatest discovery in cosmology for decades appears to be ...

Reading her expressions and gauging from the tone in her sentences, my brain generated reflexes of facial expressions that ...

When we gaze up at the night sky, it’s hard not to wonder about the vastness of the universe and its origins. The universe, in ... Read more The post Unveiling the Cosmos: How Astronomers Measure the ...

Going against the predominant view at the time, the theory also predicted that the universe is expanding, which the astronomer Edwin Hubble confirmed in 1929.

From the lunar landing to the launch of the Hubble Space Telescope, here are some bold space missions in history.